Ca

Front 1

Ca

Back 1

Calcium

Front 2

K

Back 2

Potassium

Front 3

Si

Back 3

Silicon

Front 4

Ar

Back 4

Argon

Front 5

Al

Back 5

Aluminum

Front 6

F

Back 6

Fluorine

Front 7

Mg

Back 7

Magnesium

Front 8

C

Back 8

Carbon

Front 9

H

Back 9

Hydrogen

Front 10

Na

Back 10

Sodium

Front 11

Ne

Back 11

Neon

Front 12

S

Back 12

Sulpher

Front 13

B

Back 13

Boron

Front 14

Be

Back 14

Beryllium

Front 15

Li

Back 15

Lithium

Front 16

He

Back 16

Helium

Front 17

Cl

Back 17

Chlorine

Front 18

N

Back 18

Nitrogen

Front 19

O

Back 19

Oxygen

Front 20

P

Back 20

Phosphorous