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The s and p shells of an atom are full. Its atomic number is

Sagot :

Amber27barriosidn

Answer:

10

Explanation:

The maximum number of electrons in first orbit or P-shell will be 2×12=2 and second orbit or S-shell will be 2×22=8. Hence, if K and L shell are full, the total number of electrons in the atom will be 2+8 = 10.

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