Forming Ionic Compounds

Front

What is an ionic compound?

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. It typically forms between metals and nonmetals.

Front

What is the charge of lithium in lithium oxide (Li₂O)?

Back

+1

Front

What is the charge of oxygen in lithium oxide (Li₂O)?

Back

-2

Front

How do you determine the formula of an ionic compound?

Back

The formula is determined by balancing the total positive and negative charges of the ions.

Front

What is the formula for sodium chloride?

Back

NaCl

Front

What does the subscript in a chemical formula indicate?

Back

The subscript indicates the number of atoms of the element in the compound.

Front

What is the correct formula for magnesium oxide?

Back

MgO

Front

What is the charge of magnesium in magnesium bromide (MgBr₂)?

Back

+2

Front

What is the charge of bromide in magnesium bromide (MgBr₂)?

Back

-1

Front

Which elements typically form ionic bonds?

Back

Ionic bonds typically form between metals (which lose electrons) and nonmetals (which gain electrons).