Question

The M shell is the valance shell in ----​

Answer 1

Explanation:

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the third shell of electrons surrounding the nucleus of an atom and containing, when filled, 18 electrons having principal quantum number three.

The number of electrons in the outermost shell of a particular atom determines its reactivity, or tendency to form chemical bonds with other atoms. This outermost shell is known as the valence shell, and the electrons found in it are called valence electrons.

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Answer 2

The M shell is the valance shell in...electron.

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