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NW ex

QuestionAnswer
Waterstof H
Helium He
Lithium Li
Beryllium Be
Boor B
Koolstof C
Stikstof N
Zuurstof O
Fluor F
Neon Ne
Natrium Na
Magnesium Mg
Aluminium Al
Silicium Si
Fosfor P
Zwavel S
Chloor Cl
Argon Ar
Kalium K
Calcium Ca
geen neutron protium
1 neutron deutrium
2 neutron tritium
Created by: user-1837408
 

 



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