Unit 3 Test

What type of bond forms when electrons are transferred from one atom to another?

• ionic bond
• atomic bond
• covalent bond
• metallic bond

The bond between Na & F.   Ionic or covalent?

• Ionic
• Covalent

The bond between N & H.   Ionic or covalent?

• Ionic
• Covalent

Which of the following gives the correct chemical formula for the compound Dinitrogen Monoxide?

• NO
• N₂O
• N₂O₂
• O₂N₂

What type of atoms make a covalent bond?

• only Nonmetals
• Metal and a Nonmetal
• only Metals
• only Noble Gases

Ionic bonds are between...

• Metal and Non-metal
• Non-metal and Non-metal
• Metal and Metal

What type of compound is CaF₂?

• covalent
• ionic
• polar
• metallic

In a ________ bond, ONE pair of electrons is shared between two atoms.

• Double

• Single

• Triple

__________ compounds are good conductors of electric current when they are solids.

• Ionic

• Covalent

• Metallic

In electron dot diagrams, the dots represent _________ electrons.

• Harry

• Mobile

• Valence