Lesson Check - Lewis Dot Structures Ionic (2024)

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. It typically forms between metals and nonmetals.

Front

What is the Lewis Dot Structure (LDS)?

Back

The Lewis Dot Structure is a diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

Front

How do you determine the formula of an ionic compound?

Back

To determine the formula of an ionic compound, balance the total positive and negative charges of the ions involved.

Front

What is the charge of aluminum in aluminum oxide?

Back

The charge of aluminum in aluminum oxide (Al2O3) is +3.

Front

What is the charge of oxygen in ionic compounds?

Back

The charge of oxygen in ionic compounds is typically -2.

Front

What is the formula for magnesium oxide?

Back

The formula for magnesium oxide is MgO.

Front

What is the significance of the subscripts in a chemical formula?

Back

Subscripts indicate the number of atoms of each element in a compound. For example, in MgO, there is one magnesium atom and one oxygen atom.

Front

What is the formula for potassium nitride?

Back

The formula for potassium nitride is K3N.

Front

What does the term 'cation' refer to?

Back

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

Front

What does the term 'anion' refer to?

Back

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