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The Element Oxygen (Grade 8)

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The Element Oxygen

Instructions: Use a periodic table to answer the questions and statements about the element oxygen.

1. 
Oxygen is a metal.
  1. True
  2. False
2. 
Oxygen is located in Group 15 of the periodic table.
  1. True
  2. False
3. 
Oxygen and carbon are located in the same period of the periodic table.
  1. True
  2. False
4. 
Oxygen has 2 electron shells.
  1. True
  2. False
5. 
What is the element symbol for Oxygen?
  1. Al
  2. O
  3. Pb
  4. Sn
6. 
How many valence electrons in a neutral oxygen atom?
  1. 2
  2. 4
  3. 6
  4. 8
7. 
Which best describes oxygen?
  1. Oxygen is a halogen.
  2. Oxygen is a nonmetal.
  3. Oxygen is a noble gas.
  4. Oxygen is a rare earth element.
8. 
A certain isotope of oxygen has 8 protons, 6 neutrons, and 8 electrons. What is its mass number?
  1. 8
  2. 2
  3. 14
  4. 22
9. 
Find the element "Oxygen."

What does the "8" at the top of the chemical symbol signify?



10. 
Draw a Lewis structure (electron dot structure) for oxygen.



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