Front

What does the '2' in the chemical formula MgBr₂ indicate?

Back

There are 2 bromide ions for every magnesium ion.

Front

What happens to an atom when it loses an electron?

Back

It becomes a positive ion.

Front

Which bond is the most polar: H-I, H-Br, H-Cl, or H-F?

Back

H-F.

Front

Why do ionic bonds form?

Back

To fill the outermost energy level.

Front

When forming an ionic bond, nitrogen will ____ electrons.

Back

Gain 3.

Front

What is an ionic bond?

Back

A bond formed through the transfer of electrons from one atom to another.

Front

What charge does a magnesium ion have when it forms an ionic bond?

Back

2+.

Front

What is the charge of a bromide ion?

Back

1-.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to have a full outer shell of 8 electrons.

Front

What type of elements typically form ionic bonds?

Back

Metals and nonmetals.