Naming ionic compounds and writing formulas

Front

What is the name of Na2S?

Back

sodium sulfide

Front

How many valence electrons does a bromine atom have?

Back

7

Front

Name the compound KF.

Back

Potassium fluoride

Front

What is an atom that has lost or gained electrons?

Back

ion

Front

What is the correct formula for nickel(II) carbonate?

Back

NiCO3

Front

What is the charge of a sodium ion?

Back

+1

Front

What is the formula for calcium chloride?

Back

CaCl2

Front

What is the name of the compound with the formula MgO?

Back

magnesium oxide

Front

What is a cation?

Back

A positively charged ion.

Front

What is an anion?

Back

A negatively charged ion.