Which of the following is the correct electronic configuration of sodium?(a) 2, 8, 1 (b) 8, 2, 1 (c) 2, 1, 8 (d) 2, 8, 2
Correct Answer: (a) 2, 8, 1
Explanation: 2, 8, 1 is the electronic configuration as the first shell can accommodate 2 electrons and the second shell can accommodate 8 electrons.
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