What is the new charge of the sodium ion that has lost one electron? (Hint: think cation or anion) Your answer: 0 +1 +2 -1

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What is the new charge of the sodium ion that has lost one electron? (Hint: think cation or anion) Your answer: 0 +1 +2 -1

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Thiên Thanh 1 week 2021-07-21T12:52:29+00:00 1 Answers 2 views 0

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    2021-07-21T12:53:56+00:00

    Answer:

    The new charge is +2

    Explanation:

    Sodium atom has 11 electrons (2, 8, 1)

    sodium ion is cation and it will have 10 electrons after losing 1 electron (Na⁺), the charge is +1 because it needs to lose 1 electron to attain octet structure and become stable.

    When this sodium ion loses 1 more electron, the new charge will be Na²⁺.

    Thus, the new charge will be  +2

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