67

1

H

Hydrogen

2

He

Helium

3

Li

Lithium

4

Be

Beryllium

5

B

Boron

6

C

Carbon

7

N

Nitrogen

8

O

Oxygen

9

F

Fluorine

10

Ne

Neon

11

Na

Sodium

12

Mg

Magnesium

13

Al

Aluminum

14

Si

Silicon

15

P

Phosphorus

16

S

Sulfur

17

Cl

Chlorine

18

Ar

Argon

19

K

Potassium

20

Ca

Calcium

21

Sc

Scandium

22

Ti

Titanium

23

V

Vanadium

24

Cr

Chromium

25

Mn

Manganese

26

Fe

Iron

27

Co

Cobalt

28

Ni

Nickel

29

Cu

Copper

30

Zn

Zinc

31

Ga

Gallium

32

Ge

Germanium

33

As

Arsenic

34

Se

Selenium

35

Br

Bromine

36

Kr

Krypton

37

Rb

Rubidium

38

Sr

Strontium

47

Ag

Silver

48

Cd

Cadmium

50

Sn

Tin

51

Sb

Antimony

53

I

Iodine

54

Xe

Xenon

55

Cs

Cesium

56

Ba

Barium

79

Au

Gold

80

Hg

Mercury

82

Pb

Lead

83

Bi

Bismuth

86

Rn

Radon