An atom Q contains 19 electrons, 19 protons and 20 neutrons. What is Q

Question

An atom Q contains 19 electrons, 19 protons and 20 neutrons.
What is Q

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Thu Giang 4 years 2021-07-20T20:11:15+00:00 2 Answers 24 views 0

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  1. binhan
    0
    2021-07-20T20:12:24+00:00
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    Answer:

    Potassium is the answer

  2. Gerda
    0
    2021-07-20T20:12:59+00:00
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    Answer: Potassium

    Explanation: Potassium is the chemical element with 19 electrons, 19 protons and 20 neutrons.

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