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Which of the following statements are correct 1 There are 18...

This question belongs to Chemistry GK Chapter Wise Periodic Classification Of Elements
Periodic Classification of elements
?

Which of the following statements are correct?
1. There are 18 elements in the fourth and fifth period.
2. The seventh period is incomplete with 33 elements.
3. The sixth period has 32 elements.

Answer & Solution
Correct Answer: Option D
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