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If spin quantum number m, can have values - 1/2 and +1/2, then total number of elements in fourth period of periodic table. (Give answer by dividing it 3)

If spin quantum number m, can have values - 1/2 and +1/2, then total number of elements in fourth period of periodic table. (Give answer by dividing it 3)

Grade:11

1 Answers

Avni Chauhan
askIITians Faculty 247 Points
5 years ago
elements enter in the fourth period till they start filling in the fifth period = 4s, 3d, 4p
hence 2+ 10+ 6 = 18 elements

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