MCQ
Electronic configuration of sodium is:
- A(2, 8, 1)
- B(2, 8, 2)
- C(2, 8, 3 )
- D(2, 8, 4)
✓
Answer
- (2, 8, 1)
Explanation:
Atomic no. of Na is 11 & thus the E.C is: 2, 8, 1
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