Question

Which list includes elements with the most similar chemical properties?
1) Br, Ga, Hg
2) Cr, Pb, Xe
3) O, S, Se
4) N, O, F​

Answer 1

Answer:

3) O, S, Se.........

Explanation:

3) O, S, Se

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Answer 2

Answer:

3) O, S, Se.........

Explanation:

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