Question

valency of calcium and why​

Answer 1

here is the answer to the question

valency of calcium is +2..

because in outermost shell of calcium there are 2 electrons present.. so, calcium has capability to loose 2 electrons and become stable..

valency of calcium =1s2 2s2 2p6 3s2 3p6 4s2

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by Akshita yadav

Answer 2

atomic number of calcium = 20

electronic configuration of calcium = 2,8,8,2

valency of calcium = +2 ( as it losses 2 electrons to complete its valence shell )

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