1st semester final review #5: Ionic vs Molecular Compounds

Front

What are shared in a covalent bond?

Back

Electrons

Front

How many atoms of fluorine are present in a molecule with the formula CF₄?

Back

4

Front

What is the correct name for Fe₂O₃?

Back

Iron (III) oxide

Front

How many extra electrons are in the Lewis structure of the phosphate ion, PO₄⁻³?

Back

3

Front

What is the chemical formula of tetraphosphorus heptaoxide?

Back

P₄O₇

Front

Define ionic compound.

Back

A compound formed by the electrostatic attraction between oppositely charged ions.

Front

Define molecular compound.

Back

A compound formed by the sharing of electrons between nonmetal atoms.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is a Lewis structure?

Back

A diagram that shows the bonding between atoms and the lone pairs of electrons in a molecule.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.