Predict the empirical formulas of the ionic compounds formed...

Predict the empirical formulas of the ionic compounds formed from the following pairs of elements. Name each compound.
a. $\mathrm{Li}$ and $\mathrm{N}$
c. $\mathrm{Rb}$ and $\mathrm{Cl}$
b. Ga and $\mathrm{O}$
d. $\mathrm{Ba}$ and $\mathrm{S}$

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Key Concepts

Nomenclature of Ionic Compounds

The nomenclature of ionic compounds involves a systematic method of naming compounds based on the identities of the constituent ions. The name of the cation (usually a metal) is given first, followed by the name of the anion (usually a nonmetal with an -ide suffix), and sometimes includes the oxidation state of the metal if necessary.

Empirical Formula Calculation

Calculating the empirical formula of an ionic compound involves using the charges of the ions to balance them in a way that results in a net zero charge. This means determining the simplest whole-number ratio of cations to anions based on their respective charges.

Ionic Bonding

Ionic bonding is a type of chemical bond that occurs when electrons are transferred from one atom to another, typically from a metal to a nonmetal. This process results in the formation of positively charged cations and negatively charged anions, which are held together by electrostatic forces.

Charge Neutrality Principle

The charge neutrality principle states that the total positive charge and total negative charge in an ionic compound must cancel each other out so that the overall compound is electrically neutral. This principle is crucial when determining the ratios of ions in an ionic compound.

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