Question

An elements has an atomic number 17.How many electrons are present in K,L and M shell of an atom

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Answer 1

Answer:

4 electrons

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Answer 2

This means, that the number of electrons present in an chlorine atom is 17. Where k, l, ,m are the shells/orbits/ energy levels of an chlorine atom. Valence electrons are the number of electrons present in the outermost shell of an atom. Now, the last shell of chlorine atom has 7 electrons in it.

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