For each of the following negative ions

For each of the following negative ions

use the concept that a chemical compound must have a net charge of zero to predict the formula of the simple compounds that the positive ions would form with the Cs^+, Ba^2+, and Al^3+ ions.

a. I^-: CsI, BaI2, AlI3

b. O^2-: Cs2O, BaO, Al2O3

c. P^3-: Cs3P, Ba3P2, AlP

d. Se^2-: Cs2Se, BaSe, Al2Se3

e. H^-: CsH, BaH2, AlH3

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