Magnesium is divalent- it forms two bonds- most often these are ionic, involving the Mg2+ ion.
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∙ 9y ago0 bonds
0 bonds
Mg-Cl and K-I
It can only make three bonds. Boron has three valence electrons and therefore cannot form more than three bonds with no lone pairs.
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0 bonds
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Calcium can make two bonds because it is in the same group as oxygen.
You need 1000 mg to make 1 gram...
10mg/0.5mg = 20
Two
5mg :)
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Mg-Cl and K-I
It can only make three bonds. Boron has three valence electrons and therefore cannot form more than three bonds with no lone pairs.
2
1