Chemistry: Valencies Of Elements

Front 1

Sodium

Back 1

Na-1

Front 2

Potassium

Back 2

K-1

Front 3

Hydrogen

Back 3

H-1

Front 4

Fluorine

Back 4

F-1

Front 5

Chlorine

Back 5

Cl-1

Front 6

Bromine

Back 6

Br-1

Front 7

Iodine

Back 7

I-1

Front 8

Magnesium

Back 8

Mg-2

Front 9

Calcium

Back 9

Ca-2

Front 10

Copper

Back 10

Cu-2

Front 11

Zinc

Back 11

Zn-2

Front 12

Iron (II)

Back 12

Fe-2

Front 13

Oxygen

Back 13

O-2

Front 14

Sulphur

Back 14

S-2

Front 15

Aluminium

Back 15

Al-3

Front 16

Iron (III)

Back 16

Fe-3

Front 17

Nitrogen

Back 17

N-3

Front 18

Carbon

Back 18

C-4

Front 19

Silicon

Back 19

Si-4