Chemistry, asked by yogendra42, 1 year ago

why some elements have variable valency by their atomic mass(octet rule).explain.​

Answers

Answered by sanirvinya
0

Answer:

The electrons present in the outermost shell/orbit of an atom are called valence electrons. The valence electrons take part in any chemical reaction because the outermost orbit usually contains more energy than the electrons present in other orbits.

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