Use representations [A] through [I] in Figure P2.10 to...

Use representations [A] through [I] in Figure P2.10 to answer questions a-f. a. Which are covalent compounds? b. Which are ionic compounds? c. Which incorporates both covalent and ionic bonding? d. Which two representations demonstrate the law of multiple proportions? e. Which, if any, of the representations have the same empirical formula? f. What are the names of the substances in $[\mathrm{D}],[\mathrm{F}]$ and $[\mathrm{H}]$ ?. (FIGURE CAN'T COPY)

Use representations [A] through [I] in Figure P2.10 to answer questions a-f.
a. Which are covalent compounds?
b. Which are ionic compounds?
c. Which incorporates both covalent and ionic bonding?
d. Which two representations demonstrate the law of multiple proportions?
e. Which, if any, of the representations have the same empirical formula?
f. What are the names of the substances in $[\mathrm{D}],[\mathrm{F}]$ and $[\mathrm{H}]$ ?.
(FIGURE CAN'T COPY)

Key Concepts

Covalent Compounds

Covalent compounds are chemical substances formed when atoms share electrons. These compounds usually involve nonmetal elements and are characterized by directional bonding, which leads to distinct molecular geometries and specific physical properties.

Ionic Compounds

Ionic compounds are materials that form when electrons are transferred between atoms, typically from a metal to a nonmetal. This electron transfer creates oppositely charged ions that are held together by electrostatic forces, often resulting in crystalline lattice structures with high melting and boiling points.

Mixed Bonding (Ionic and Covalent Bonding)

Mixed bonding occurs when a substance displays both ionic and covalent bonding characteristics. This means that while part of the molecule or compound is held together by ionic attractions, another part involves the sharing of electrons typical of covalent bonds, indicating a more complex bonding structure.

Law of Multiple Proportions

The Law of Multiple Proportions states that if two elements form more than one compound, the different masses of one element that combine with a fixed mass of the other element will be in ratios of small whole numbers. This law supports the idea that chemical compounds are composed of atoms in definite proportions.

Empirical Formula

An empirical formula represents the simplest whole-number ratio of the atoms of the elements present in a compound. It provides a basic representation of a compound's composition, which can be used to understand its fundamental chemical makeup.

Chemical Nomenclature

Chemical nomenclature is the systematic method of naming chemical substances, which allows chemists to convey structural and compositional information about compounds through standardized names. This system covers a wide range of compounds, including ionic compounds, molecular compounds, acids, bases, and more.

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