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Atoms 1 - 20

Electron arrangements of the first 20 elements

QuestionAnswer
hydrogen 1
helium 2
lithium 2,1
beryllium 2,2
boron 2,3
carbon 2,4
nitrogen 2,5
oxygen 2,6
fluorine 2,7
neon 2,8
sodium 2,8,1
magnesium 2,8,2
aluminium 2,8,3
silicon 2,8,4
phosphorus 2,8,5
sulfur 2,8,6
chlorine 2,8,7
argon 2,8,8
potassium 2,8,8,1
calcium 2,8,8,2
Created by: harveysd
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