Ionic Compounds

Front

What do metals tend to do in terms of electrons?

Back

Metals tend to lose electrons.

Front

What happens to an atom when it gains electrons?

Back

It becomes negative because it has added electrons.

Front

What is the name of the compound Cu₃N₂?

Back

Copper (II) nitride.

Front

What is the Roman Numeral for +3?

Back

III.

Front

What is the oxidation number for copper in Cu₂S?

Back

+1.

Front

Define ionic compound.

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding.

Front

What is the charge of a cation?

Back

A cation has a positive charge.

Front

What is the charge of an anion?

Back

An anion has a negative charge.

Front

How do you determine the oxidation state of an element in a compound?

Back

The oxidation state can be determined by the number of electrons an atom gains, loses, or shares when it forms a chemical bond.

Front

What is the significance of Roman numerals in naming ionic compounds?

Back

Roman numerals indicate the oxidation state of the metal in the compound.