Which is the only element in group 1 on the periodic table that forms covalent bonds? hydrogen lithium potassium

Question

Which is the only element in group 1 on the periodic table that forms covalent bonds?

hydrogen
lithium
potassium
sodium

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Delwyn 6 months 2021-07-26T22:37:42+00:00 1 Answers 14 views 0

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    2021-07-26T22:39:06+00:00

    Lithium or potassium but I’m pretty sure it lithium

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )