How to find the valency of metals , non- metals , metalloids .met
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Answer:
make shell arrange them in k,l,m,n and further according to their electrons then if a is more then 5 then subtract by 8 in outer shell you get your answer.
Explanation:
Sodium
Electron-11
k l m
2 8 1
valency-1
Carbon
Electron-6
k l
2 4
valency-4
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