Question

What is the atomic number of and elements X which has 2 shell k and l having 2 and 6 electron respectively?

Answer 1

I think so it could be 8.

Answer 2

The atomic number of X is 8.

Explanation:

In this case, it is given that an element X has 2 shell k and l having 2 and 6 electrons. We know that the atomic number is equal to the number of electrons.

Shell                     number of electrons

k                                  2

l                                   6

Total number of electrons is 8. Therefore, the atomic number of X is 8.

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Atomic number

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