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2.6 Exercise 5

Avg difficulty 2.5

For each of the following pairs of ions, write the formula of the compound they will form:

(a) Ca2+, S2−

(b) NH4+,\text{NH}_{4} ^{+} , SO42−\text{SO}_{4} ^{2−}

(c) Al3+, Br−

(d) Na+, HPO42−\text{HPO}_{4} ^{2−}

(e) Mg2+, PO43−\text{PO}_{4} ^{3−}

OpenStax Chemistry 2e, 2.6 Ionic and Molecular Compounds, exercise 5

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Adapted from General Chemistry © 2019 Rice University. Licensed under CC BY 4.0. Sources: Chemistry 2e, Chemistry: Atoms First 2e. Imported at revision 32c7196.