Chemical Bonding Quiz Review

1) What is a chemical bond?

• A fixed income instrument that represents a loan made by an investor
• A strong attraction between atoms that holds them together to make molecules
• Two chemicals that get along really well
• The number of valence electrons of an atom contains

2) Atoms combine to make molecules. Which subatomic particle is most important for bonding?

• Protons
• Electrons
• Neutrons
• Neutrinos

3) Which of these subatomic particles is an electron?

• a
• b
• c
• Not Pictured

4)This is the equation plants use for photosynthesis! How many molecules of CO₂ does it take for the plant to complete the reaction shown? 6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂

• 6
• 12
• 18

5) How many VALENCE electrons are in a neutral strontium atom?

• 1
• 2
• 38
• 8

6) How many valence electrons are in a neutral lithium atom?

• 1
• 2
• 3
• 8

7) The periodic table can be used to quickly find the number of valence electrons a neutral atom contains. What are these numbers at the top of each column known as?

• Group Number
• Period Number
• Atomic Number
• Quantum Number

8) Atoms lose, gain, or share valence electrons to satisfy ___________. This means having 8 electrons in the outside shell!

• the Octet Rule
• the Heisenburg Uncertainty Principle
• Hund's Rule
• the Rule of Nines

9) In a chemical reaction, the ______________________ are the substances you start with.

• Products
• Reactants
• Yields
• Solutions

10) Sulfur is in group 6 on the Periodic Table. Which of the following is a correct Lewis dot diagram for sulfur?

• 
• 
• 
•