what is the oxidation number of the element Se

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what is the oxidation number of the element Se

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Thiên Ân 4 years 2021-09-05T16:18:15+00:00 1 Answers 10 views 0

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  1. Philomena
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    2021-09-05T16:19:29+00:00
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    Answer:

    The oxidation number of a monatomic (composed of one atom) ion is the same as the charge of the ion. For example, the oxidation numbers of K+, Se2−, and Au3+ are +1, -2, and +3, respectively. The oxidation number of oxygen in most compounds is −2.

    Explanation:

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