state the number of elements in period1 ,period 2 and period3 of the periodic table
Answers
Answered by
5
Answer:
There are 2 elements in Period 1 and 8 elements in each of Period 2 and Period 3. Ans : - Hydrogen and helium
Answered by
1
Answer:
elements in period 1 is 1
period 2 and3 has 8 elements
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