Binary Ionic Compounds (Group A Elements)

Front

What is a binary ionic compound?

Back

A binary ionic compound is a chemical compound composed of two different elements, one being a metal and the other a non-metal, that are held together by ionic bonds.

Front

What is the charge of lithium in lithium bromide (LiBr)?

Back

The charge of lithium in lithium bromide is +1.

Front

What is the formula for sodium nitride?

Back

The formula for sodium nitride is Na₃N.

Front

How do you determine the formula for an ionic compound?

Back

To determine the formula for an ionic compound, balance the total positive and negative charges of the ions.

Front

What is the charge of aluminum in AlCl₃?

Back

The charge of aluminum in AlCl₃ is +3.

Front

What is the first ion written in the formula of an ionic compound?

Back

The first ion written in the formula of an ionic compound is the positive ion (cation).

Front

What is the formula for calcium oxide?

Back

The formula for calcium oxide is CaO.

Front

What is the charge of chloride ion (Cl⁻)?

Back

The charge of a chloride ion is -1.

Front

What is the significance of subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a compound.

Front

What is the formula for combining Al³⁺ and Cl⁻ ions?

Back

The formula for combining Al³⁺ and Cl⁻ ions is AlCl₃.