An element has 3 electrons in M shell of its atom. what is the atomic number of the element?

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Solution

Dear Student,

In statement,
it is given that M=3,
so we get,

K=2, L=8, M=3 as the electrons in each shell,
In total 2+8+3=13
Hence,
The element is Aluminium i.e. Al=13

Regards.

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An element has 3 electrons in M shell of its atom. what is the atomic number of the element?

Dear Student, In statement, it is given that M=3, so we get, K=2, L=8, M=3 as the electrons in each shell, In total 2+8+3=13 Hence, The element is Aluminium i.e. Al=13 Regards.

Dear Student,

In statement,
it is given that M=3,
so we get,

K=2, L=8, M=3 as the electrons in each shell,
In total 2+8+3=13
Hence,
The element is Aluminium i.e. Al=13

Regards.