Naming ionic compounds and periodic trends

Metals tend to _____.

• Gain electrons

• Lose electrons

Nonmetals tend to _____.

• Gain electrons

• Lose electrons

Which neutral atom would form a cation?

• Potassium (K)

• Neon (Ne)

• Oxygen (O)

• Barium (Ba)

Which neutral atom would form an anion?

• Helium (He)

• Magnesium (Mg)

• Oxygen (O)

• Fluorine (F)

In ionic compounds, the oxidation number is ______ as the charge of the ion.

• The same

• Different

What is the oxidation number of sodium (Na)?

• +1

• +7

• -1

• -7

Elements in group 2 (2A) have what oxidation number?

• +1

• +2

• -1

• -2

When naming an ionic compound, which name stays exactly as it is?

• The anion

• The cation

When changing the anion's name, we cut off the end of the word and add what 3 letters?

What would a chemist name the compound BaO?

• Barium oxygenide

• Oxygen baride

• Oxygen bariumide

• Barium oxide