Ionic Bonds and Dot and Cross Diagrams Quiz

What are ions formed from?

• Atoms combining with other atoms

• Atoms losing or gaining electrons

• Atoms sharing electrons

• Atoms splitting into smaller particles

Sodium is in group one on the periodic table. What does a sodium atom become when it loses one electron?

• A sodium 1+ ion

• A sodium 1- ion

• A sodium 2+ ion

• A sodium 2- ion

Why does a sodium atom lose an electron?

• To become stable with a full outer shell

• To become heavier

• To become unstable

• To become lighter

What does a chlorine atom become when it gains one electron?

• A chloride 1- ion

• A chloride 2+ ion

• A chloride 2- ion

• A chloride 1+ ion

What type of force attracts the sodium and chloride ions to each other?

• Electrostatic force

• Gravitational force

• Nuclear force

• Magnetic force

What is the name of the bond formed between sodium and chloride ions?

• Hydrogen bond

• Ionic bond

• Metallic bond

• Covalent bond

What should you show with an arrow in an ionic bonding diagram?

• The movement of neutrons

• The movement of atoms

• The movement of protons

• The movement of electrons

When drawing a diagram to show the bonding for magnesium chloride (MgCl2), how many chlorine ions are there?

• Three

• One

• Four

• Two

In the formation of magnesium chloride (MgCl2), what charge does the magnesium ion have?

• 2-

• 1-

• 2+

• 1+