Unit 2 Part 3 Notes 3 Assessment: Covalent Bonding

How many valence electrons does nitrogen have?

• 3
• 2
• 5
• 1

What can be generalized about covalent bonds?

• Electrons will be exchanged.
• Electrons will be transferred.
• Electrons will be given and taken.
• Electrons will be shared.

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal & 1 Metal
• 2 Metals
• 2 Noble Gases

How many electrons are shared in a double bond?

• 2
• 4
• 6
• 8

Which of the following is NOT a property of a molecular (covalent) compound?

• has weaker bonds

• can be a solid, liquid or gas at room temperature

• high melting and boiling points

• poor conductor

The chemical formula for a covalently bonded group of atoms is called a ____ _____.

TRUE or FALSE: the formula of a molecule SHOULD NOT be simplified.

• true

• false

Which of the following is the correct Lewis structure for water?

• A
• B
• C

Three pairs of electrons are shared in a

• Single bond
• Double bond
• Triple bond

What is the correct formula for this molecule?

• Si₄F
• SiF₄
• SiF
• Si₄F₄