Ions - Ch 7.1

Chapter 7 - Ionic and Metallic Bonding

7.1 Ions

Watch the video, study the slides and images. The quiz questions will reflect the information from the slides.

Good Luck!

Multiple Choice

1. What are valence electrons?

• Valence electrons are the electrons found in the nucleus of an atom.

• Valence electrons are all the electrons surrounding the nucleus of the atom.

• Valence electrons are the electrons in the lowest occupied energy level.

• Valence electrons are the electrons in the highest occupied energy level.

Multiple Choice

2. How can you determine the number of valence electrons an atom will have?

• Count the number of electrons in the outermost energy level.

• The number of valence electrons is equal to the Group Number for the first two columns of elements.

• The number of valence electrons is equal to the Group Number minus 10 for the elements in groups 13 through 18.

• All answers are correct.

Multiple Select

3. Which of the following Electron Dot Structures are Correct.

Multiple Choice

4. All elements in the same group will have the same Electron Dot Structure.

• True

• False

Multiple Choice

5. The Octet Rule says that an atom will have a stable configuration with ____ Valence Electrons.

• 5

• 6

• 8

• 9

Multiple Choice

6. Metal atoms will tend to _______ electrons to achieve a stable configuration.

• gain

• lose

Multiple Choice

7. Nonmetal atoms will tend to ______ electrons to achieve a stable configuration.

• gain

• lose

Multiple Choice

8. A cation is a ....

• positive ion that gains electrons.

• positive ion that loses electrons.

• negative ion that gains electrons.

• negative ion that gains electrons.

Multiple Choice

9. Which of the following cations has the correct charge?

•  $Ca^{+1}$  

•  $Ca^{+2}$  

•  $Ca^{-2}$  

•  $Ca^{-1}$  

Multiple Choice

10. Which of the following cations has the correct charge?

• $Na^{+1}$

• $Na^{+2}$

• $Na^{-1}$

• $Na^{-2}$

Multiple Choice

11. An Anion is a ...

• positively charged ion that has gained electrons.

• positively charged ion that has lost electrons.

• negatively charged ion that has gained electrons.

• negatively charged ion that has lost electrons.

Multiple Choice

12. Which of the following cations has the correct charge?

• $Cl^{-1}$

• $Cl^{+2}$

• $Cl^{-2}$

• $Cl^{+1}$

Multiple Choice

13. Which of the following cations has the correct charge?

• $O^{-1}$

• $O^{+1}$

• $O^{-1}$

• $O^{-2}$