Chemistry, asked by Abhijito, 1 year ago

when an atom has an atomic number 12 what is its valency and name the element

Answers

Answered by amitsinghto36
4
It is Magnesium.
It's valency = 2

shanki200801: magnesium mg 
shanki200801: valency 2
Abhijito: pls show the steps
amitsinghto36: On first cell 2, on second 8 and on last 2
Abhijito: thank you
Answered by ItzzzzzzzzzMe
3
Name of elememt⇒Magnesium
Valency of element⇒Electronic configuration = 2,8,2
So, Valency= +2 

varunmadrid: atomic no.=12
varunmadrid: Atomic no.=12
Atom= magnesium or Mg
Electronic configuration = 2,8,2
So, Valency= +2
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