8.1 Molecular Compounds

Atoms that are held together by sharing electrons are joined by a ..........................

• covalent bond

• ionic bond

• metalic bond

............................. is a neutral group of atoms joined together by covalent bonds.

• A molecule

• A formula unit

• An ionic group

Diatomic molecule is a molecule that contains .............. atoms.

• one

• two

• three

A compound composed of molecules is called ..................... compound

• a molecular

• an ionic

• a metalic

A ........................ is the chemical formula of a molecular compound.

• molecular formula

• ionic formula

• metallic formula

A molecular formula shows how many .............. of each element a substance contains.

• atoms

• electrons

• protons

The representative unit of a molecular compound is a molecule.

• True

• False

For an ionic compound, the representative unit is a formula unit.

• True

• False

Molecular compounds tend to have relatively higher melting and boiling points than ionic compounds.

• True

• False

Many molecular compounds are solids at room temperature.

• True

• False