Identify the missing information for each atom or ion. Note that the atoms and ions are not necessarily neutral. A Se ion has a mass n

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Identify the missing information for each atom or ion. Note that the atoms and ions are not necessarily neutral.
A Se ion has a mass number of 79 and a charge of −2 . Determine the number of neutrons, protons, and electrons in this ion.

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Gia Bảo 4 days 2021-07-20T10:48:41+00:00 1 Answers 5 views 0

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    2021-07-20T10:49:46+00:00

    79 and a charge of -2 thx for the points

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