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 one metal and one nonmetal, that are held together by ionic bonds.

Front

What is the charge of a potassium ion (K)?

Back

The charge of a potassium ion (K) is +1.

Front

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

Back

The charge of a chloride ion (Cl) is -1.

Front

What is an anion?

Back

An anion is a negatively charged ion that is formed when a nonmetal gains electrons.

Front

What is a cation?

Back

A cation is a positively charged ion that is formed when a metal loses electrons.

Front

What does the subscript in a chemical formula indicate?

Back

The subscript in a chemical formula indicates the number of atoms of the element present in the compound.

Front

What is the formula for sodium and chlorine?

Back

The formula for sodium and chlorine is NaCl.

Front

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

Back

To determine the formula for a binary ionic compound, combine the symbols of the cation and anion, adjusting the subscripts to balance the overall charge.

Front

What is the formula for magnesium and bromine?

Back

The formula for magnesium and bromine is MgBr₂.

Front

What does the '2' in MgBr₂ signify?

Back

The '2' in MgBr₂ signifies that there are 2 bromide ions for every magnesium ion.