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30 August, 03:20

Which of the following is true about the compound MgBr2?

Question 2 options:

A magnesium atom gained 2 electrons, while two bromine atoms each lost 1 electron.

A magnesium atom lost 2 electrons, while a bromine atom gained 2 electrons.

A bromine atom lost 2 electrons, while a magnesium atom gained 2 electrons.

A magnesium atom lost 2 electrons, while two bromine atoms each gained 1 electron.

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Answers (1)
  1. 30 August, 03:49
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    Answer: A magnesium atom lost 2 electrons, while two bromine atoms each gained 1 electron.

    Magnesium is a metal that located in the second group of the periodic table. The element should be Mg2 + since it has 2 valence electron. That means, the magnesium tends to lose 2 electrons. Those 2 electrons would be divided equally between 2 bromine, so 1 electron for each bromine.
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