First 20 Elements

Front 1

H

Back 1

HYDROGEN

Front 2

He

Back 2

HELIUM

Front 3

Li

Back 3

LITHIUM

Front 4

Be

Back 4

BERYLLIUM

Front 5

B

Back 5

BORON

Front 6

C

Back 6

CARBON

Front 7

N

Back 7

NITROGEN

Front 8

O

Back 8

OXYGEN

Front 9

F

Back 9

FLUORINE

Front 10

Ne

Back 10

NEON

Front 11

Na

Back 11

SODIUM

Front 12

Mg

Back 12

MAGNESIUM

Front 13

Al

Back 13

ALUMINUM

Front 14

Si

Back 14

SILICON

Front 15

P

Back 15

PHOSPHORUS

Front 16

S

Back 16

SULFUR

Front 17

Cl

Back 17

CHLORINE

Front 18

Ar

Back 18

ARGON

Front 19

K

Back 19

POTASSIUM

Front 20

Ca

Back 20

CALCIUM