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Interactive Periodic Table
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All Elements
Alkali Metals
Alkaline Earth
Nonmetals
Halogens
Noble Gases
Metalloids
1
H
Hydrogen
1.008
2
He
Helium
4.003
3
Li
Lithium
6.94
4
Be
Beryllium
9.012
5
B
Boron
10.81
6
C
Carbon
12.01
7
N
Nitrogen
14.01
8
O
Oxygen
16
9
F
Fluorine
19
10
Ne
Neon
20.18
11
Na
Sodium
22.99
12
Mg
Magnesium
24.31
13
Al
Aluminum
26.98
14
Si
Silicon
28.09
15
P
Phosphorus
30.97
16
S
Sulfur
32.07
17
Cl
Chlorine
35.45
18
Ar
Argon
39.95
19
K
Potassium
39.1
20
Ca
Calcium
40.08