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25-06-2021
Chemistry

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what are the valency and valence electrons of
1) Calcium
2) Magnesium
3)Oxygen
4)Argon

Respuesta :

aditaryan1345 aditaryan1345

25-06-2021

Answer:

calcium - valency -: ( 2) valence electron -: 2
magnesium - valency -:(2) valence electron -: 2
oxygen - valency. -: (2) valence electron -:. 8
argon -. valency -:. (doesn't have because it is a noble gas so that it doesn't have valency). valence electron-:. 8.....

Explanation:

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