Unit 3:3 Ions - Take Home Quiz

Agnes Szakacs

03/27/15

Unit 3:3 Ions - Take Home Quiz Questions

1. What is an ion?  
1. An Ion is an atom or molecule with a net electric charge due to gain or loss of one or more electrons.
2. What is a cation and and anion?
1. A cation is a positively charged ion, that would be attracted to the cathode in electrolysis. While an anion is negatively charger.
3. Which elements typically form anions?
1. Chlorine, nitrogen, and sulfur are some examples of an anion.
4. Which elements typically form cations?
1. Non-metal elements such as hydrogen is an example of a cation.
5. When an atom of Potassium ionizes, what charge will it become?
1. Potassium +1
6. Name at least two other elements whose atoms share the same charge when they ionize.
1. Hydrogen and Oxygen share making them make water
7. Which family of elements gets a -1 charge when they ionize?
1. Halogens
8. Write the Calcium, Magnesium, Sodium, Chlorine, Oxygen, and Sulfur ions.
1. Calcium +2, Magnesium +2, Sodium +1, Chlorine -1, Oxygen -2, Sulfur -2
9. Name two ions that would combine in a 1:1 ratio.
1. NaCl known as sodium chlorine
10. Name two ions that would combine in a 2:1 ratio.
1. BaCl2 known as barium chlorine
11. Which family of elements gets a +1 charge when they ionize?
1. Alkali Metals
12. Which family of elements gets a +2 charge when they ionize?
1. Alkaline Earth elements