Chemistry, asked by hsai5891, 1 year ago

An atom of an element has two electron in the third shell name the atomic number valency and neutron in this atom

Answers

Answered by sanya0107

6

magnesium is the ans

Answered by Ranveer2019

2

Atomic no. is 3

and valency is 1

the element is lithium

PLEASE mark it as a BRANLIEST ANSWER

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