Binary Ionic Formulas

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 charge from the cations with the total negative charge from the anions, using the lowest whole number ratio.

Front

What is the charge of magnesium in MgCl2?

Back

The charge of magnesium in MgCl2 is +2.

Front

What is the charge of chloride in MgCl2?

Back

The charge of chloride in MgCl2 is -1.

Front

What is the formula for the ionic compound formed between potassium and oxygen?

Back

The formula is K2O.

Front

What is the charge of potassium in K2O?

Back

The charge of potassium in K2O is +1.

Front

What is the charge of oxygen in K2O?

Back

The charge of oxygen in K2O is -2.

Front

How do aluminum and oxygen bond together?

Back

Aluminum (Al) has a charge of +3 and oxygen (O) has a charge of -2, resulting in the formula Al2O3.

Front

What is the formula for the ionic compound formed between calcium and bromine?

Back

The formula is CaBr2.

Front

What is the charge of calcium in CaBr2?

Back

The charge of calcium in CaBr2 is +2.