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Valence Electrons, 1 - 20

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wexecuci's version from 2016-12-09 10:26

Section

Question Answer
Hydrogen1
Helium2
Lithium1
Beryllium2
Boron3
Carbon4
Nitrogen5
Oxygen6
Fluorine7
Neon8
Sodium1
Magnesium2
Aluminium3
Silicon4
Phosphorus5
Sulfur6
Chlorine7
Argon8
Potassium1
Calcium2
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