Chemistry, asked by bhavana35, 10 months ago

how many elements are there in first and second Period of the periodic table

Answers

Answered by bhuv2005

5

Period 1 has only two elements (hydrogen and helium), while periods 2 and 3 have 8 elements.

Answered by RameshChandraSharma

3

Answer:

Period one has the elements hydrogen and helium. i. e. 2 and Period two has 8 elements

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