Question 44 (d)
Atomic number of a few elements are given below 10, 20, 7, 14
What would be the electronic configuration for each of these elements?

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Solution

Neon has atomic number 10. Its electronic configuration is 2, 8.

Calcium has atomic number 20. Its electronic configuration is 2, 8, 8, 2.

Nitrogen has atomic number 7. Its electronic configuration is 2, 5.

Silicon has atomic number 14. Its electronic configuration is 2, 8, 4.

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Question 44 (a)
Atomic number of a few elements are given below 10, 20, 7, 14. Identify the elements.

Electronic configuration of four neutral atoms are given below.

Which of the following elements would not be paramagnetic

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