Chemistry

This can be done using the periodic table. Metallic ions tend to lose electrons thus picking up a positive charge. Group 1A,2A,and 3A charge = group number. Group 1A – lose 1 electron to become +1 cations (Li, Na, K, Rb, Cs, Fr) Group 2A – lose 2 electrons to become +2 cations (Be, Mg, Ca, Sr, Ba) Group 3A – lose 3 electrons + 3 cation (Al) ................
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