Iron valency

2 or 3

Bromine Symbol

Br

Chlorine Symbol

Cl

Fluorine Valency

1

Iodine Symbol

I

Hydrogen Symbol

H

Hydrogen Valency

1

Potassium Symbol

K

Sodium Symbol

Na

Silver Symbol

Ag

Silver Valency

1

Calcium Symbol

Ca

Calcium Valency

2

Magnesium Symbol

Mg

Magnesium Valency

2

Zinc Symbol

Zn

Zinc Valency

2

Oxygen Symbol

O

Oxygen Valency

2

Carbon Symbol

C

Carbon Valency

2 or 4

Lead Symbol

Pb

Lead Valency

2 or 4

Tin Symbol

Sn

Tin Valency

2 or 4

Aluminum Symbol

Al

Aluminum Valency

3

Argon symbol

Ar

Argon valency

0

Bromine valency

1

Chlorine valency

1

Copper valency

1 or 2

Copper symbol

Cu

Fluorine symbol

F

Gold symbol

Au

Gold valency

1 or 3

Helium symbol

He

Helium valency

0

Iron symbol

Fe

Iodine valency

1

Mercury symbol

Hg

Mercury valency

1 or 2

Chlorine valency

1

Neon symbol

Ne

Neon valency

0

Nitrogen symbol

N

Nitrogen valency

3

Phosphorus valency

3 or 5

Potassium valency

1

Phosphorus symbol

P

Sulfur symbol

S

Sulfur valency

2, 4 or 6

Barium symbol

Ba

Barium valency

2