what happens to halogens on going top to bottom in their group

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what happens to halogens on going top to bottom in their group

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RobertKer 3 years 2021-09-05T14:41:40+00:00 1 Answers 6 views 0

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  1. lethu
    0
    2021-09-05T14:43:23+00:00
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    they remain as they are and don’t change their type

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