Science, asked by felix89, 7 months ago

an element has its atomic number 2,8,7 what is the group of this element

Answers

Answered by tubuni20

0

Answer:

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Explanation:

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Answered by ganesh1688

1

Explanation:

group 17

period 3

so, the atomic number 2,8,7 having are there in

group 17

period 3

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