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Periodic Table of Elements
1
1
1

2
Atomic #

3

4
C Solid

5

6

7

8
Metals

9

10

11
Nonmetals

12

13

14

15

16

17
2

18
2 K

1 H
3

Symbol
Name Atomic Mass
2 1

He
Helium 4.002602

Hydrogen 1.00794

Alkali metals

Alkaline earth metals

Transition metals

Poor metals

Other nonmetals

Noble gases

4

2 2

2 Li
11

Be
Beryllium 9.012182
2 8 1

Hg Liquid H Gas

Lanthanoids Actinoids

5

2 3

6

2 4

7

2 5

8

2 6

9

2 7

10

2 8

K L

B
Boron 10.811

C
Carbon 12.0107
2 8 3

N
Nitrogen 14.0067
2 8 4

O
Oxygen 15.9994
2 8 5

F
Fluorine 18.9984032
2 8 6

Ne
Neon 20.1797
2 8 7

Lithium 6.941

12

3 Na
19

Mg
Magnesium 24.3050

2 8 2

Rf Unknown
21
2 8 9 2

13

14

15

16

17

18

Al
Aluminium 26.9815386
2 8 18 2

Si
Silicon 28.0855

P
Phosphorus 30.973762

S
Sulfur 32.065

Cl
Chlorine 35.453

Ar
Argon 39.948

2 8 8

K L M

Sodium 22.98976928
2 8 8 1

20

4 K

Ca
Calcium 40.078

2 8 8 2

22

Sc
Scandium 44.955912

Ti
Titanium 47.867

2 8 10 2

23

V
Vanadium 50.9415

2 8 11 2

24

Cr
Chromium 51.9961

2 8 13 1

25

Mn
Manganese 54.938045

2 8 13 2

26

Fe
Iron 55.845

2 8 14 2

27

Co
Cobalt 58.933195

2 8 15 2

28

Ni
Nickel 58.6934

2 8 16 2

29

Cu
Copper 63.546

2 8 18 1

30

31

Zn
Zinc 65.38

Ga
Gallium 69.723

2 8 18 3

32

Ge
Germanium 72.64

2 8 18 4

33

As
Arsenic 74.92160

2 8 18 5

34

Se
Selenium 78.96

2 8 18 6

35

Br
Bromine 79.904

2 8 18 7

36

Kr
Krypton 83.798

2 8 18 8

K L M N

Potassium 39.0983

37

5 Rb
55

2 8 18 8 1

38

Sr
Strontium 87.62

2 8 18 8 2

39

Y
Yttrium 88.90585

2 8 18 9 2

40

Zr
Zirconium 91.224

2 8 18 10 2

41

Nb
Niobium 92.90638

2 8 18 12 1

42

Mo
Molybdenum 95.96

2 8 18 13 1

43
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