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Atomic mass from 1-20

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sajajasi's version from 2017-03-26 13:15

Section 1

Question Answer
Hydrogen1
Helium4
Lithium7
Beryllium 9
Boron10.8
Carbon12
Nitrogen 14
Oxygen16
Flourine19
Neon20
memorize

Section 2

Question Answer
Sodium23
Magnesium24
Aluminium27
Silicon28
Phosphorus 31
Sulphur32
Chlorine35.5
Argon40
Potassium39
Calcium40
memorize