Question

What is the valancy of magnesium with atomic no.12 and clorine with atomic no.17

Answer 1

magnesium ki valancy ha 2, and clorine ki 1

Answer 2

Hey dude ✌ ✌

➡ Finding valency➡➡

Magnesium ✒

#Atomic number=12

#Valence electrons=2

That means it has tendency to lose these two electrons.

#Valency=2positive

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Chlorine

#Atomic number= 17

#Valence electrons= 7

This means that it has tendency to gain one electron to complete it's octet.

#Valency=1 negative