Question

how to find the valency with their charges

Answer 1

______✨ HEY MATE ✨______

➡️By Octet Rule , When determining the valency of an atom or molecule (one for which you can't use the periodic table to determine valency), chemists use the octet rule. According to this rule, atoms and chemicals combine in such a way as to produce eight electrons in the outer shell of whatever compound it is they form. An outer shell with eight electrons is full, which means the compound is stable.

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Answer 2

zheya !!

here is your answer⬇️⬇️

The valency of an atom is equal to no.of electrons.

It is the outermost shell. by this we can calculate the valency.

By using Octet rule also we can use Valency with their charges.

hope my answer helps you