Binary Ionic Compounds

Front

What is a binary ionic compound?

Back

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

Front

How do you determine the formula of a binary ionic compound?

Back

To determine the formula, balance the total positive and negative charges of the ions. The total positive charge from the cations must equal the total negative charge from the anions.

Front

What is the charge of Li in Li₃P?

Back

Li has a charge of +1.

Front

What is the charge of P in Li₃P?

Back

P has a charge of -3.

Front

What is the formula for sodium bromide?

Back

The formula for sodium bromide is NaBr.

Front

If an element has 3 valence electrons, what charge will its ion likely have?

Back

The ion will likely have a charge of +3.

Front

What is the significance of valence electrons in ionic bonding?

Back

Valence electrons determine how an atom will bond with other atoms; they are involved in the formation of ionic bonds by transferring from one atom to another.

Front

What is the formula for the compound formed by Al³⁺ and I^-?

Back

The formula is AlI₃.

Front

What does the subscript in a chemical formula indicate?

Back

The subscript indicates the number of atoms of the element in the compound.

Front

What is the formula for the compound formed when W (2 valence electrons) and X (7 valence electrons) react?

Back

The formula is WX₂.