Science 9 - Chem Review

Valence electrons of Na

• 1

• 2

• 7

• 8

Valence electrons of O

• 1

• 2

• 6

• 7

Valence electrons of Cl

• 1

• 2

• 6

• 7

The charge of the most common ion of K

• +1

• +2

• -1

• -2

The charge of the most common ion of O

• +1

• +2

• -1

• -2

The charge of the most common ion of F

• +1

• +2

• -1

• -2

The cation charge in Ti(OH)₂

• +1

• +2

• +3

• +4

The cation charge in TiO₂

• +1

• +2

• +3

• +4

The cation charge in FeS

• +1

• +2

• +3

• +4

The anion charge in Na₂CrO₄

• -1

• -2

• -3

• -4