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Write down the electronic configuration of the following elements from the given atomic number Answer the following question with explanation

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Answer 1

N=K. L. M
2. 5
C= 2. 4
O= 2. 8
B= 2. 3
AL=2. 8. 3
K and L are shells of the atom to find the sufficient no. of electrons in different shell we have to multiply 2 with the square of no. of shells in the atom(ex- K is the first shell of the atom so it is no.1 ,K= 2*n^2 = 2*1 =2 . so the highest no. of electrons in K shell will be 2)