Ionic Bonding and Formulas

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions, typically between a metal and a nonmetal.

Front

What is the formula for sodium chloride?

Back

NaCl

Front

What type of ion does sodium (Na) form?

Back

Sodium forms a positive ion (cation) with a charge of +1.

Front

What type of ion does chlorine (Cl) form?

Back

Chlorine forms a negative ion (anion) with a charge of -1.

Front

What is the correct formula for potassium iodide?

Back

KI

Front

What is the charge of calcium in CaCl2?

Back

Calcium has a charge of +2 in CaCl2.

Front

What is the formula for iron(II) sulfide?

Back

FeS

Front

What do nonmetals tend to form when they gain electrons?

Back

Nonmetals tend to form negative ions (anions) when they gain electrons.

Front

What is the formula for magnesium oxide?

Back

MgO

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.