An element 'M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of 'M' is

asked Apr 25, 2023 in Science by kabita (3.8k points)

An element 'M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of 'M' is:

a) 10

b) 12

c) 14

d) 18

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answered Apr 25, 2023 by abhinav (17.5k points)

Best answer

Correct answer is (c) 14

Explanation: An element 'M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of 'M' is 14.