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GREYUIT [131]
3 years ago
10

Magnesium bromide is an ionic compound with the chemical formula MgBr2. What does the “2” tell you?

Chemistry
2 answers:
frutty [35]3 years ago
8 0
That the magnesium cation has 2+ charge. it needs 2 electrons to stabilize its valence.... 2 electrons are provided by 2 Br (-1) anions.
Naya [18.7K]3 years ago
3 0
The 2 tells that "Br" has a sunscript of 2
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