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Whats ionic compound of magnesium hydroxide
Mg2+ and OH-
We need 2 hydroxide ions to balance charge on magnesium
Formula is Mg(OH)2
Its in brackets because if it wasnt (MgOH2), It shows only 1 oxygen and 2 hydrogens and 1 mg
What does the number to the right of the bracket mean
Multiplies everything in bracket
a
a
a
a