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13 questions from this quiz
How electrons are transferred
Dots and crosses
2+2+2+
Lose electrons to form cations
As crystal structures
6
Total positive = total negative
Metal (positive ion)
Al2O3Al_2O_3Al2O3
Groups of atoms with overall charge
NH4+NH_4^+NH4+ (ammonium)
When you need more than one of them
They form ions with different charges
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