First 20 Elements, Atomic Number And Mass.

Set Of Flashc Ards For
Created Nov 17, 2010
by baileysa
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Side ASide B
Hydrogen
1    H 1
Helium
4   He 2
Lithium
7   Li 3
Beryllium
9    Be 4
Boron
11     B  5
Carbon
12    C 6
Nitrogen
14     N 7
Oxygen
16   O 8
Fluorine
19   F 9
Neon
20 Ne 10
Sodium
23 Na 11
Magnesium
24   Mg 12
Aluminium
27  Al 13
Silicon
28  Si 14
Phosphorus
31   P 15
Sulphur
32   S 16
Chlorine
35.5  Cl
Argon
40   Ar 18
Potassium
39 K 19
Calcium
40 Ca 20

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