Ionic & Covalent Bonding

Front

What type of bond forms between metals and nonmetals?

Back

Ionic bond.

Front

What is a covalent bond?

Back

A covalent bond is formed when two nonmetals share electrons.

Front

What is the main characteristic of ionic compounds?

Back

Ionic compounds are formed from the electrostatic attraction between oppositely charged ions.

Front

What is the oxidation number of oxygen in most compounds?

Back

-2.

Front

How many valence electrons does a typical metal have?

Back

1 to 3 valence electrons.

Front

What is the octet rule?

Back

Atoms tend to bond in a way that gives them eight valence electrons.

Front

What type of bond would form between two nonmetals?

Back

Covalent bond.

Front

What is the oxidation number of hydrogen when it bonds ionically?

Back

+1.

Front

What is the charge of a sodium ion (Na) when it loses an electron?

Back

+1.

Front

What is the charge of a chloride ion (Cl) when it gains an electron?

Back

-1.