Ionic Compounds and Bonding Quiz

What is an ionic compound?

• A molecule made up of only non-metals.

• A compound where atoms share electrons.

• A compound made up of positive and negative ions held together by electrostatic forces.

• A group of atoms held together by weak forces.

Why do ionic compounds have high melting points?

• They are made up of small molecules.

• They have weak bonds that are easy to break.

• They are held together by strong electrostatic forces that require a lot of energy to break.

• They are made up of metals only.

In what state can ionic compounds conduct electricity?

• Solid

• Liquid and dissolved in water

• Gas

• All states

How does sodium (Na) become a sodium ion (Na⁺)?

• By gaining one electron.

• By losing one proton.

• By losing one electron.

• By sharing electrons with chlorine.

What type of structure do ionic compounds form?

• Covalent bonds

• Simple molecules

• Regular lattice structures

• Random arrangement

Ionic bonds are weak and can be easily broken.

• True

• False

Ionic compounds can conduct electricity when solid.

• True

• False

Ionic compounds are made up of __ ions and __ ions.

In the formula MgCl₂, magnesium has a charge of __ and each chlorine has a charge of __.

The formula for calcium hydroxide is __.