Name the compounds in parts a-d and write the formulas for...

Name the compounds in parts a-d and write the formulas for the compounds in parts e-h.
a. $\mathrm{NaBr}$
b. $\mathrm{Rb}_{2} \mathrm{O}$
c. CaS
d. $\mathrm{AlI}_{3}$
e. strontium fluoride
f. aluminum selenide
g. potassium nitride
h. magnesium phosphide

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Key Concepts

Ionic Compound Nomenclature

This concept covers the systematic naming of ionic compounds, where the cation (typically a metal) is named first followed by the anion (typically a nonmetal or polyatomic ion, with a modified ending such as -ide for simple anions). It involves knowing common names and recognizing different ions based on periodic trends and oxidation states.

Charge Balancing in Ionic Compounds

This concept involves the principle that the overall electrical charge of an ionic compound must be zero. To achieve this, the total positive charge from the cations must exactly balance the total negative charge from the anions, which guides the determination of the correct subscripts for each ion in the compound's formula.

Writing Chemical Formulas

This concept entails representing the composition of compounds using element symbols and subscripts that denote the number of atoms or ions present. It requires applying the rule of charge neutrality, ensuring that the ratios of positive and negative ions correctly offset each other, and is essential for converting between compound names and their respective formulas.

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