Which formulas represent one ionic compound and one molecular compound

Updated on January 02, 2021 Ionic compounds form when positive and negative ions share electrons and form an ionic bond. The strong attraction between positive and negative …

Which formulas represent one ionic compound and one molecular compound. LiBr is made up of lithium, a metal, and bromine, a nonmetal, so it is an ionic compound. P 4 is a substance that is made up of four atoms of the same element, so it is a molecular element. The formula for oxygen gas is O 2 so it is a molecular element. Exercise 3.4. 1. Provide the classification (i.e. atomic element, molecular element ...

Generally, there are two types of inorganic compounds that can be formed: ionic compounds and molecular compounds. Nomenclature is the process of naming chemical compounds with different names so that they can be easily identified as separate chemicals. Inorganic compounds are compounds that do not deal with the formation of …

Figure 2.1.3 2.1. 3 The Three-Dimensional Structures of Water, Ammonia, and Methane. (a) Water is a V-shaped molecule, in which all three atoms lie in a plane. (b) In contrast, ammonia has a pyramidal structure, in which the three hydrogen atoms form the base of the pyramid and the nitrogen atom is at the vertex.Because an ionic compound is not made up of single, discrete molecules, it may not be properly symbolized using a molecular formula. Instead, ionic compounds must be …One important aspect about ionic compounds that differs from molecular compounds has to do with dissolving in a liquid, such as water. When molecular compounds, such as sugar, dissolve in water, the individual molecules drift apart from each other. When ionic compounds dissolve, the ions physically separate from each other. We can use a ...Molecular Formula. A molecular formula is a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound. Ammonia is a compound of nitrogen and hydrogen as shown below: Figure \(\PageIndex{1}\): The molecular formula for ammonia. NH3.The fundamental principle of the science of chemistry is that the atoms of different elements can combine with one another to form chemical compounds. Methane , for example, which is formed from the elements carbon and hydrogen in the ratio four hydrogen atoms for each carbon atom, is known to contain distinct CH 4 molecules.Table 7.7. 1: Naming Binary Ionic Compounds. KF. potassium fluoride. Na 3 N. sodium nitride. Ca 3 P 2. calcium phosphide. Notice that in each of the formulas above, the overall charge of the compound is zero. Potassium ion is K +, while fluoride ion is F −.Ionic compound formula. While a chemical formula for a molecule gives a specific number of atoms in every molecule (H 2 O {H}_{2}O H 2 O tells us two hydrogen atoms and one oxygen atom make water, for instance), the chemical formula for an ionic compound cannot tell us how many ions are in each unit, only their ratio. Ionic …Figure 3.1.3 3.1. 3: The Three-Dimensional Structures of Water, Ammonia, and Methane. (a) Water is a V-shaped molecule, in which all three atoms lie in a plane. (b) In contrast, ammonia has a pyramidal structure, in which the three hydrogen atoms form the base of the pyramid and the nitrogen atom is at the vertex.

For example, the ionic compound sodium oxalate is comprised of Na + and \(\ce{C2O4^2-}\) ions combined in a 2:1 ratio, and its formula is written as Na 2 C 2 O 4. The subscripts in this formula are not the smallest-possible whole numbers, as each can be divided by 2 to yield the empirical formula, NaCO 2 .Expert Answer 4. A. Cl2 and H2 is covalent because it is formed by sharing electrons. B. BaCl2 is ionic compou … View the full answer Transcribed image text: QUESTION 4 …The formula of an ionic compound represents the lowest whole number ratio of cations to anions, it is as simple as that. Most cations have charges of [+1] through [+6] while most ions have charges of [-1] through [-3]. Beware that this …Nomenclature, a collection of rules for naming things, is important in science and in many other situations.This module describes an approach that is used to name simple ionic and molecular compounds, such as NaCl, CaCO 3, and N 2 O 4.The simplest of these are binary compounds, those containing only two elements, but we will also …A binary ionic compound is a compound composed of a monatomic metal cation and a monatomic nonmetal anion. The metal cation is named first, followed by the nonmetal anion as illustrated in Figure 5.7.1 5.7. 1 for the compound BaCl 2. The word ion is dropped from both parts. name of nonmetal anion + suffix -ide.Naming Binary Molecular Compounds. Recall that a molecular formula shows the number of atoms of each element that a molecule contains. A molecule of water contains two hydrogen atoms and one oxygen atom, so its formula is \(\ce{H_2O}\). A molecule of octane, which is a component of gasoline, contains 8 atoms of carbon and 18 atoms of hydrogen.The second element, chlor ine, becomes chlor ide, and we attach the correct numerical prefix (“tetra-”) to indicate that the molecule contains four chlorine atoms. Putting these pieces together gives the name carbon tetrachloride for this compound. Example 4.2.2 4.2. 2. Write the molecular formula for each compound.A compound is a molecule made of atoms from different chemical elements. Compounds can be classified into two types, i.e., molecular compounds and ionic compounds. They can be broken down chemically only. Compounds contain a fixed ratio of atoms, held together by chemical bonds. Compounds are homogeneous in nature and …

The net charge of any ionic compound must be zero which also means it must be electrically neutral. For example, ... in front of the molecular formula of the compound. To name acids, the prefix hydro-is placed in front of the nonmetal modified to end with –ic. The state of acids is aqueous (aq) because acids are found in water.The following can be used to represent the chemical formula: Molecular formula = n × (Empirical formula) where n is an integer multiple. Example: The empirical formula of a compound is BH3. Its molar mass is 27.7g/mol. Determine the molecular formula of the compound. Solution: Given: Empirical formula = BH 3. Molar mass = 27.7 g/molP 4 is a substance that is made up of four atoms of the same element, so it is a molecular element. The formula for oxygen gas is O 2 so it is a molecular element. Exercise 5.4.1 5.4. 1. Provide the classification (i.e. atomic element, molecular element, molecular compound, or ionic compound) of each substance. I 2.Study with Quizlet and memorize flashcards containing terms like Water has a higher melting point than hydrogen fluoride. What is the main reason for this?, The main attractive force between polar molecules,in general, is, Which formulas represent one ionic compound and one molecular compound? and more.Study with Quizlet and memorize flashcards containing terms like which elements can react to produce a molecular compound? a. calcium and chlorine b. hydrogen and sulfur c. lithium and fluorine d. magnesium and oxygen, which substance is correctly paired with its type of bonding? a. NaBr - nonpolar covalent b. HCl - nonpolar covalent c. NH3 - polar covalent d. Br2 - polar covalent, the bond ...

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The following ionic compounds are found in common household products. Write the formulas for each compound: (a) potassium phosphate (b) copper(II) sulfate (c) calcium chloride (d) titanium dioxide (e) ammonium nitrate (f) sodium bisulfate (the common name for sodium hydrogen sulfate) Answer a. K 3 PO 4. Answer b. CuSO 4. Answer c. …The following ionic compounds are found in common household products. Write the formulas for each compound: (a) potassium phosphate (b) copper(II) sulfate (c) calcium chloride (d) titanium dioxide (e) ammonium nitrate (f) sodium bisulfate (the common name for sodium hydrogen sulfate) Answer a. K 3 PO 4. Answer b. CuSO 4. Answer c. …Water, which is a chemical compound of hydrogen and oxygen in the ratio two hydrogen atoms for every oxygen atom, contains H 2 O molecules. Sodium chloride is a chemical compound formed from sodium (Na) and chlorine (Cl) in a 1:1 ratio. Although the formula for sodium chloride is NaCl, the compound does not contain actual NaCl molecules. …Chemistry library > Atoms, compounds, and ions > Ions and compounds © 2023 Khan Academy Terms of use Privacy Policy Cookie Notice Molecules and compounds Google Classroom Compounds can be classified as ionic or covalent. Molecules are the simplest unit of a covalent compound, and molecules can be represented in many different ways.Mg2+Cl−Cl− (4.3.2) (4.3.2) Mg 2 + Cl − Cl −. Now the positive and negative charges are balanced. We could write the chemical formula for this ionic compound as MgClCl MgClCl, but the convention is to use a numerical subscript when there is more than one ion of a given type— MgCl2 MgCl 2. Molecular formulas are also used as abbreviations for the names of compounds. The structural formula for a compound gives the same information as its molecular formula (the types and numbers of atoms in the molecule) but also shows how the atoms are connected in the molecule. The structural formula for methane contains symbols for one C atom ...

chem review. Which formula represent one iconic compound and one molecular? a) N-subscript 2 and SO-subscript 2. B) NaOH and BaSO-subscript 4. c) BaCl- subscript 2 and N-subscript 2 O-subscript 4. d) Cl-subscript 2 and H-subscript 2 S. Click the card to flip 👆. c) BaCl- subscript 2 and N-subscript 2 O-subscript 4. Click the card to flip 👆.Compounding lets you earn interest on interest. It's equal to P[(1+ r/n)^nt - 1] where P is principal, r = annual rate, n = number of compounding periods and t = the number of years for an investment or loan. Compounding accelerates the gro...Sodium chloride is an ionic compound composed of sodium cations, Na+ Na +, and chloride anions, Cl− Cl −, combined in a 1:1 ratio. The formula mass for this compound is computed as 58.44 amu (see Figure 5.5.3 ). Figure 5.5.3. Table salt, NaCl, contains an array of sodium and chloride ions combined in a 1:1 ratio. Its formula mass is 58.44 amu.A binary ionic compound is a compound composed of a monatomic metal cation and a monatomic nonmetal anion. The metal cation is named first, followed by the nonmetal anion as illustrated in Figure 5.7.1 5.7. 1 for the compound BaCl 2. The word ion is dropped from both parts. Figure 5.7.1 5.7. 1: Naming BaCl2 B a C l 2.ThO2, Th^4+. In which of the following are the formula of the ionic compound and the charge on the ion shown correctly. A. UCI5, U+. B. ThO2, Th5^4+. C. IrS2, Ir^2+. D. NiO, Ni+. Ca^2+, F-; CaF2. Which of the following correctly represents an ion pair and the ionic compound the ions form. A. Ca^2+, CaF2.A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements. Water is composed of hydrogen and oxygen in a 2:1 ratio. The chemical formula for water is \(\ce{H_2O}\). Sulfuric acid is one of the most widely produced chemicals in the United States and is composed of the elements hydrogen, sulfur, and oxygen.Formula for Ionic Compounds. When writing the formula of an ionic compound we use the lowest whole number ratio of cations ([+] ions) to anions ([-] ions). If you look at a salt crystal you will see that …1) Name the following molecular compound: N2O4. Here, one carbon atom bonds to two oxygen atoms to form carbon dioxide CO2. By the octet rule, sulfur can …There are several types of chemical formulas that you can use to represent chemical bonds. These include empirical formulas, molecular (or true) formulas, and structural formulas. You can predict the formula of an ionic compound based on the loss and gain of electrons, to reach a noble gas configuration. However, you really can’t make …See full list on khanacademy.org Which formulas represent one ionic compound and one molecular compound? A formula representing an ionic compound would be KCN, while a formula representing ...

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We can write the ionic equation for this reaction as follows: M g () + C u () + S O () M g () + S O () + C u () s a q a q a q a q s 2 + 4 2 – 2 + 4 2 –. Magnesium begins as a solid and ends as an ion. Copper begins as an ion and ends as a …(b) A sodium cation (Na+) has lost an electron, so it has one more proton (11) than electrons (10), giving it an overall positive charge, signified by a superscripted plus sign. You can use the periodic table to predict whether an atom will form an anion or a cation, and you can often predict the charge of the resulting ion.25 PRACTICE PROBLEM. The transfer of the appropriate number of electrons to O 2 results to the formation of the ions superoxide, peroxide, and oxide as shown below: O 2 + e - → …ionic compounds with three or more elements include_. some type of polyatomic ion. molecular compounds are held by_. covalent bonds. Because nonmetals have high_, valence electrons are shared by_. -ionization energies. -nonmetal atoms to achieve stability. molecule. -when two or more atoms share electrons.The formula for ionic compounds is always an empirical formula because it shows the smallest, whole-number ratio between the cations and anions. The actual number of ions in a sample of an ionic compound will be very large and will vary from sample to sample. Figure 2.6.1 2.6. 1: A water molecule consists of one atom of oxygen bonded to …A molecule of water contains two hydrogen atoms and one oxygen atom, so its formula is H2O H 2 O. A molecule of octane, which is a component of gasoline, contains 8 atoms of carbon and 18 atoms of hydrogen. The molecular formula of octane is C8H18 C 8 H 18. Figure 7.11.3 7.11. 3: Nitrogen dioxide (NO2) ( NO 2) is a reddish-brown toxic gas that ...There are many types of chemical bonds and forces that bind molecules together. The two most basic types of bonds are characterized as either ionic or covalent. In ionic bonding, atoms transfer electrons to each other. Ionic bonds require at least one electron donor and one electron acceptor. In contrast, atoms with the same …A binary ionic compound is a compound composed of a monatomic metal cation and a monatomic nonmetal anion. The metal cation is named first, followed by the nonmetal anion as illustrated in Figure 4.5.1 4.5. 1 for the compound BaCl 2. The word ion is dropped from both parts. Figure 4.5.1 4.5. 1 Naming BaCl2 B a C l 2.

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Exercise 2.6.1. Give the symbol and name for the ion with 34 protons and 36 electrons. Answer. Example 2.6.2: Formation of Ions. Magnesium and nitrogen react to form an ionic compound. Predict which forms an anion, which forms a cation, and the charges of each ion. Write the symbol for each ion and name them.The formula for ionic compounds is always an empirical formula because it shows the smallest, whole-number ratio between the cations and anions. The actual number of ions in a sample of an ionic compound will be very large and will vary from sample to sample. Figure 2.6.1 2.6. 1: A water molecule consists of one atom of oxygen bonded to …Learn how to use Excel's FORECAST function to predict a value for Y using a specific value of X, based on known X, Y pairs. By Ron Price If you have multiple pairs of numbers that represent measurements or outcomes in which one of the numbe...Example \(\PageIndex{1}\) Write the molecular formula of each compound. The phosphorus-sulfur compound that is responsible for the ignition of so-called strike anywhere matches has 4 phosphorus atoms and 3 sulfur atoms per molecule. Ethyl alcohol, the alcohol of alcoholic beverages, has 1 oxygen atom, 2 carbon atoms, and 6 hydrogen …2017. 3. 19. ... molecular compound, the prefixes in its name represents the ... In an ionic compound, these subscripts are ignored when naming such compounds.The transfer and sharing of electrons among atoms govern the chemistry of the elements. During the formation of some compounds, atoms gain or lose electrons, and form electrically charged particles called ions (Figure 3.6.1 ). Table 3.6.1: (a) A sodium atom (Na) has equal numbers of protons and electrons (11) and is uncharged.4. Write the final formula. Leave out all charges and all subscripts that are 1. AlN. Li 2O. An alternative way to writing a correct formula for an ionic compound is to use the crisscross method. In this method, the numerical value of each of the ion charges is crossed over to become the subscript of the other ion.We will focus on naming binary molecular compounds and simple ionic compounds. A ... To determine the chemical formula of an ionic compound, we can begin by ...Figure 4.3. Formation of ionic sodium chloride from neutral Na and Cl atoms. Sodium chloride is a very stable compound because of the mutual attraction of oppositely charged ions. But the ions have to be arranged in an optimum manner for this attraction to be effective. Since oppositely charged ions attract each other, but ions with the same ...25 PRACTICE PROBLEM. The transfer of the appropriate number of electrons to O 2 results to the formation of the ions superoxide, peroxide, and oxide as shown below: O 2 + e - → O 2-. O 2 + 2e - → (O 2) 2-. O 2 + 4e - → (2O 2) -. Identify the chemical formulas of sodium superoxide, sodium peroxide, and sodium oxide.Polyatomic ions. In this article, we will discuss polyatomic ions. The prefix poly- means many, so a polyatomic ion is an ion that contains more than one atom. This differentiates polyatomic ions from monatomic ions, which contain only one atom. Examples of monatomic ions include \text {Na}^+ Na+, \text {Fe}^ {3+} Fe3+, \text {Cl}^- Cl−, and ...Expert Answer 4. A. Cl2 and H2 is covalent because it is formed by sharing electrons. B. BaCl2 is ionic compou … View the full answer Transcribed image text: QUESTION 4 … ….

This formula indicates that a molecule of acetic acid ( Figure 2.21) contains two carbon atoms, four hydrogen atoms, and two oxygen atoms. The ratio of atoms is 2:4:2. Dividing by the lowest common denominator (2) gives the simplest, whole-number ratio of atoms, 1:2:1, so the empirical formula is CH 2 O. Note that a molecular formula is always ...An ionic formula, like \(\ce{NaCl}\), is an empirical formula. This formula merely indicates that sodium chloride is made of an equal number of sodium and chloride ions. Sodium sulfide, another ionic compound, has the formula \(\ce{Na_2S}\). This formula indicates that this compound is made up of twice as many sodium ions as sulfide ions.D) 16. The electron dot formula for O2 shows. A) a single covalent bond D) a total of 8 x 2 = 16 electron dots. B) a double covalent bond E) a total of 32 electron dots. C) an ionic bond. B) a double covalent bond. The number of lone electron pairs in the N2 molecule is ___. A) 1 B) 2 C) 3 D) 4 E) 5.Molecular chemical formulas indicate the number of atoms of each element contained in a single molecule of the compound. Ionic chemical formulas represent one formula unit of the ionic compound, indicating the simplest ration of the compounds cations and negative ions.A binary ionic compound is a compound composed of a monatomic metal cation and a monatomic nonmetal anion. The metal cation is named first, followed by the nonmetal anion as illustrated in Figure 5.7.1 5.7. 1 for the compound BaCl 2. The word ion is dropped from both parts. Figure 5.7.1 5.7. 1: Naming BaCl2 B a C l 2.Because all ionic compounds have similar properties, it is useful to be able to identify an ionic compound from its chemical formula. In general, ionic compounds contain cations of metals from the left side of the periodic table and anions of nonmetals from the right side of the periodic table. If a compound’s chemical formula contains a ...Figure 4.3. Formation of ionic sodium chloride from neutral Na and Cl atoms. Sodium chloride is a very stable compound because of the mutual attraction of oppositely charged ions. But the ions have to be arranged in an optimum manner for this attraction to be effective. Since oppositely charged ions attract each other, but ions with the same ...Give the symbol and name for the ion with 34 protons and 36 electrons. Answer. Example 2.4.2 2.4. 2: Formation of Ions. Magnesium and nitrogen react to form an ionic compound. Predict which forms an anion, which forms a cation, and the charges of each ion. Write the symbol for each ion and name them. Which formulas represent one ionic compound and one molecular compound, Give the symbol and name for the ion with 34 protons and 36 electrons. Answer. Example 2.4.2 2.4. 2: Formation of Ions. Magnesium and nitrogen react to form an ionic compound. Predict which forms an anion, which forms a cation, and the charges of each ion. Write the symbol for each ion and name them., Ionic compounds are composed of positive and negative ions held together by ionic bonds. An Ionic bond is a type of bond that forms between a metal and a non-metal. Molecular compounds are compounds made up of nonmetals. A covalent bond is a type of bond that occurs between two nonmetals., The compound interest with contributions formula is similar to the one used to calculate the future value of annuities. It factors in your regular contributions, compounding frequency and time during which the compounding takes place. It he..., The waves represent photons hitting the crystal structure of a metallic substance with enough energy that the negatively charged electrons are then emitted. ... Review the molecular formulas of A and B. A. FeS B. Zn ... An ionic compound has a rigid crystal structure with positive and negative ions fixed in place based on attractive forces., This is contrary to molecular formulas, which represent the actual number of atoms in a discrete molecule. Most popular questions for Chemistry Textbooks., We know that sodium oxide is a binary ionic compound because it contains one metal cation and one non-metal anion. ... formulas of binary molecular compounds?, The atoms are not arranged in a regular pattern, and there are no apparent positive or negative charges. This is characteristic of molecular compounds, where atoms are bonded together by sharing electrons. So, Diagram 1 most likely represents an ionic compound, and Diagram 2 represents a molecular compound., An ionic formula, like \(\ce{NaCl}\), is an empirical formula. This formula merely indicates that sodium chloride is made of an equal number of sodium and chloride ions. Sodium sulfide, another ionic compound, has the formula \(\ce{Na_2S}\). This formula indicates that this compound is made up of twice as many sodium ions as sulfide ions., A molecular formula is a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound. Ammonia is a compound of nitrogen and hydrogen as shown below: Figure 5.3. 1: The molecular formula for ammonia. NH3. There is one atom of nitrogen and 3 atoms of hydrogen in a …, We know that sodium oxide is a binary ionic compound because it contains one metal cation and one non-metal anion. ... formulas of binary molecular compounds?, Figure 4.3. Formation of ionic sodium chloride from neutral Na and Cl atoms. Sodium chloride is a very stable compound because of the mutual attraction of oppositely charged ions. But the ions have to be arranged in an optimum manner for this attraction to be effective. Since oppositely charged ions attract each other, but ions with the same ..., Therefore, the proper formula for this ionic compound is MgO MgO. Now consider the ionic compound formed by magnesium and chlorine. A magnesium ion has a 2+ charge, while a chlorine ion has a 1− charge: Mg2+Cl− Mg 2 + Cl −. Combining one ion of each does not completely balance the positive and negative charges., There are several types of chemical formulas that you can use to represent chemical bonds. These include empirical formulas, molecular (or true) formulas, and structural formulas. You can predict the formula of an ionic compound based on the loss and gain of electrons, to reach a noble gas configuration. However, you really can’t make …, The statement is correct. In order to cancel out the -2 charge on the oxygen, we need 2 lithium ions, because each lithium ion has a +1 charge. (1 + 1 - 2 = 0) All ionic compounds are neutral. In your second question, the name of this compound would be lithium oxide., Expert Answer 4. A. Cl2 and H2 is covalent because it is formed by sharing electrons. B. BaCl2 is ionic compou … View the full answer Transcribed image text: QUESTION 4 …, Example \(\PageIndex{1}\) Write the molecular formula of each compound. The phosphorus-sulfur compound that is responsible for the ignition of so-called strike anywhere matches has 4 phosphorus atoms and 3 sulfur atoms per molecule. Ethyl alcohol, the alcohol of alcoholic beverages, has 1 oxygen atom, 2 carbon atoms, and 6 hydrogen …, Figure 4.7. 4. (A) Distilled water does not conduct electricity. (B) A solid ionic compound also does not conduct. (C) A water solution of an ionic compound conducts electricity well. In the first beaker, distilled water does not conduct a current because water is a molecular compound., Ionic and molecular compounds are named using somewhat-different methods. Binary ionic compounds typically consist of a metal and a nonmetal. The name of the metal is written first, followed by the name of the nonmetal with its ending changed to – ide. For example, K 2 O is called potassium oxide., A molecule of water contains two hydrogen atoms and one oxygen atom, so its formula is H2O H 2 O. A molecule of octane, which is a component of gasoline, contains 8 atoms of carbon and 18 atoms of hydrogen. The molecular formula of octane is C8H18 C 8 H 18. Figure 7.11.3 7.11. 3: Nitrogen dioxide (NO2) ( NO 2) is a reddish-brown toxic gas that ..., 1. Identify the formulas and charges of the cation and anion. 2. Determine how many of each ion type is needed to make a neutral compound. 3. Place the cation first in the formula, followed by the anion. 4. If more than one unit of a polyatomic ion is needed, place parentheses around the polyatomic ion. 5., Study with Quizlet and memorize flashcards containing terms like 1) Which is NOT an ionic compound? A) KCl B) Ca(NO3)2 C) CBr4 D) AlBr3, 2) Which is NOT a covalent compound? A) Br2 B) NO2 C) NH3 D) NaNO2 E) More than one of the compounds is not a covalent compound., 3) In bonding, main group elements _____ to attain the electronic …, Which formulas represent one ionic compound and one molecular compound. BaCI2 and N2O2. Which statement explains why the molecule is nonpolar., A nitrogen atom must gain three electrons to have the same number of electrons as an atom of the following noble gas, neon. Thus, a nitrogen atom will form an anion with three more electrons than protons and a charge of 3−. The symbol for the ion is N 3−, and it is called a nitride ion. Exercise 3.5.2 3.5. 2., Study with Quizlet and memorize flashcards containing terms like 1) Which is NOT an ionic compound? A) KCl B) Ca(NO3)2 C) CBr4 D) AlBr3, 2) Which is NOT a covalent compound? A) Br2 B) NO2 C) NH3 D) NaNO2 E) More than one of the compounds is not a covalent compound., 3) In bonding, main group elements ________ to attain the electronic configuration of the noble gas closest to them in the ..., Sodium chloride is an ionic compound composed of sodium cations, Na +, and chloride anions, Cl −, combined in a 1:1 ratio. The formula mass for this compound is computed as 58.44 amu (see Figure 3.4 ). Figure 3.4 Table salt, NaCl, contains an array of sodium and chloride ions combined in a 1:1 ratio. Its formula mass is 58.44 amu., LiBr is made up of lithium, a metal, and bromine, a nonmetal, so it is an ionic compound. P 4 is a substance that is made up of four atoms of the same element, so it is a molecular element. The formula for oxygen gas is O 2 so it is a molecular element. Exercise 3.4. 1. Provide the classification (i.e. atomic element, molecular element ..., The answer is (3), BaCl2 and N2O4. In this choice, BaCl2 is ionic compound and N2O4 is molecular compound. For others, NaOH and BaSO4 are ionic compounds. N2, SO2,, View the full answer. Transcribed image text: 1 View the first formula in Data Table 1. a Determine if the compound is molecular or ionic and record in Data Table 1. b If the compound is molecular, record the name of the first element with the correct prefix, followed by the prefix for the second element. Then add -ide to the root of the second ..., Chemical Equations. A chemical equation is a written expression of a chemical reaction; e.g., 2H2 +O2 → 2H2O (3A.1) (3A.1) 2 H 2 + O 2 → 2 H 2 O. Reactants are written on the left, and products are written on the right. In a balanced equation the total numbers of atoms of each kind on both sides are the same., A double-replacement reaction is a reaction in which the positive and negative ions of two ionic compounds exchange places to ... a gas, or a molecular compound such as water. A precipitate forms in a double-replacement reaction when the cations from one of the reactants combine with the anions from the other reactant to form an insoluble ionic ..., Molecular formula, C6H12O6; empirical formula, CH2O. The molecular formula is C6H12O6: one molecule actually contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. The simplest whole-number ratio of C to H to O atoms in glucose is 1:2:1, so the empirical formula is CH2O. There can be more than one compound with the same:, A metallic compound forms a crystal structure with overlapping valence atomic orbitals and has delocalized electrons that are free to move around. An ionic compound has a rigid crystal structure with positive and negative ions fixed in place based on attractive forces., The gas ethane, for example, has the molecular formula C2H6. The simplest structural formula, drawn either in a condensed or in an expanded version, reveals ...