Writing 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 for a binary ionic compound?

Back

To determine the formula, identify the charges of the ions, balance the total positive and negative charges, and write the formula using the lowest whole number ratio of ions.

Front

What is the charge of calcium in calcium chloride (CaCl2)?

Back

The charge of calcium in calcium chloride is +2.

Front

What is the charge of chloride in calcium chloride (CaCl2)?

Back

The charge of chloride in calcium chloride is -1.

Front

How do you write the formula for lithium bromide?

Back

The formula for lithium bromide is LiBr.

Front

What is the formula for the compound formed between lithium (Li) and phosphorus (P)?

Back

The formula is Li3P.

Front

What is the formula for the compound formed between barium (Ba) and nitrogen (N)?

Back

The formula is Ba3N2.

Front

What is the formula for the compound formed between aluminum (Al) and sulfur (S)?

Back

The formula is Al2S3.

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 does the term 'ionic bond' mean?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions.