Chemistry, asked by shreya2411, 1 year ago

how will you find valency for element calcium
for class 9 structure of the atom chapter please answer

Answers

Answered by smileygirljulie
1
calcium atomic no. is 20.
so when we do electronic configurations of calcium
k L M N
2 8 8 2
so the valency of calcium is 2

shreya2411: how it become to we should subtract from 8 know
smileygirljulie: its is a formula
smileygirljulie: your teacher will explain you
shreya2411: tell valency of neon dear what u got
smileygirljulie: neon atomic no. is 10 electronic configuration is k=2,L=8. so valency is 0
Answered by subashree06
0
atomic number of clacium is 20so according to K,l,M andN shell k shell only contains 2 electron m shell contains 8 electron n shell contains 32 electron

ca atomic number is 20(2,8,8,2)
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