what’s the most lightest element known?​

Question

what’s the most lightest element known?​

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Thu Giang 3 years 2021-08-11T06:08:49+00:00 2 Answers 7 views 0

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  1. bonexptip
    0
    2021-08-11T06:10:26+00:00
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    Answer:

    Hydrogen

    Explanation:

    Hydrogen, most abundant in the universe, is the chemical element with atomic number 1, and an atomic mass of 1.00794 amu, the lightest of all known elements. It exists as a diatomic gas (H2).

  2. niczorrrr
    0
    2021-08-11T06:10:41+00:00
    Reply

    Answer:

    Hydrogen

    Explanation:

    Hydrogen, most abundant in the universe, is the chemical element with atomic number 1, and an atomic mass of 1.00794 amu, the lightest of all known elements. It exists as a diatomic gas (H2).

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