Quick Check: Writing Ionic Compounds

Front

What is an ionic compound?

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. They typically form between metals and nonmetals.

Front

Which of the following is NOT an ionic compound: CaO, NaOH, BaCl2, Br2?

Back

Br2 is NOT an ionic compound; it is a diatomic molecule.

Front

How many valence electrons are in a calcium atom?

Back

Calcium has 2 valence electrons.

Front

What best describes ionic bonds?

Back

Ionic bonds are formed between two ions of opposite charges held together by electrostatic forces.

Front

When a metal loses electrons, what type of ion does it become?

Back

When a metal loses electrons, it becomes a cation.

Front

What is the formula for the compound formed between Cr3+ and O2- ions?

Back

The formula is Cr2O3.

Front

What is a cation?

Back

A cation is a positively charged ion that is formed when an atom loses one or more electrons.

Front

What is an anion?

Back

An anion is a negatively charged ion that is formed when an atom gains one or more electrons.

Front

What is the charge of a sodium ion (Na+)?

Back

The charge of a sodium ion (Na+) is +1.

Front

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

Back

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