Question

State the number of elements in Period 1, Period 2 and Period 3 of the Periodic Table. Name them​

Answer 1

Answer:

Period 1 has 2 elements while period 2 and period 3 have 8 elements each.

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Answer 2

Period 1 has 2 elements while period 2 and period 3 have 8 elements each. Hydrogen and helium