CHE 102 (Chapter 5)

Which of the following defines an anion?

• Negatively charged ions. Anions are usually metals.

• Negatively charged ions. Anions are usually nonmetals.

• Positively charged ions. Anions are usually metals.

• Positively charged ions. Anions are usually nonmetals.

Which of the following defines an cation?

• Negatively charged ions. Cations are usually metals.

• Negatively charged ions. Cations are usually nonmetals.

• Positively charged ions. Cations are usually metals.

• Positively charged ions. Cations are usually nonmetals.

What is an ionic compound?

• Bond of nonmetals with a basic unit of a molecule

• Bond of anions and cations with a basic unit of a molecule

• Bond of nonmetals with a basic unit of a formula unit

• Bond of anions and cations with a basic unit of a formula unit

What is a covalent/molecular compound?

• Bond of nonmetals with a basic unit of a molecule

• Bond of anions and cations with a basic unit of a molecule

• Bond of nonmetals with a basic unit of a formula unit

• Bond of anions and cations with a basic unit of a formula unit

The Law of Constant ___________ states that a specific compound is always made up of the same elements, by mass, no matter the source.

What is a chemical formula?

• A formula that shows the elements in a compound and their relative proportions

• A formula that shows the elements in a compound and their relative masses

• A formula that shows the neutrons in a compound and their relative proportions

• A formula that shows the neutrons in a compound and their relative masses

What is a molecular formula?

• A formula that shows the type and number of atoms in their highest whole number ratio

• A formula that shows the type and number of atoms in their lowest whole number ratio

• A formula that shows the type and number of atoms in the compound

• A formula that shows the form and number of atoms in the compound

What is an empirical formula?

• A formula that shows the type and number of atoms in their highest whole number ratio

• A formula that shows the type and number of atoms in their lowest whole number ratio

• A formula that shows the type and number of atoms in the compound

• A formula that shows the form and number of atoms in the compound

Cations are a result of metals gaining electrons and anions are a result of nonmetals losing electrons.

• True

• False

Ionic compounds are always made up of cations and anions and have a neutral charge.

• True

• False