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5 May, 15:58

Elements in group 1A all:

a. gain 1 electron

b. lose 1 electron

c. are non-metals

d. have 2 energy levels

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Answers (1)
  1. 5 May, 17:31
    0
    The answer to your question is below

    Explanation:

    Elements in group 1A all:

    a. gain 1 electron This option is wrong, elements in group 1A loses one electron.

    b. lose 1 electron This option is right.

    c. are non-metals This option is incorrect, elements in group IA, are metals.

    d. have 2 energy levels This option is incorrect, only one element in each group has 2 energy levels.
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