The second period at the bottom of the table is called

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The second period at the bottom of the table is called

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Phúc Điền 4 years 2021-09-04T07:02:55+00:00 1 Answers 12 views 0

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  1. diemkieu
    0
    2021-09-04T07:04:23+00:00
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    Answer:

    Actinides

    Explanation:

    The actinides are valuable primarily because they are radioactive.

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