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Periodic Table and Elements (Grade 8)

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Periodic Table and Elements

Instructions: Use a periodic table to answer the questions.

1. 
Mercury is a metalloid.
  1. True
  2. False
 
2. 
Nitrogen has a higher ionization energy than potassium.
  1. True
  2. False
3. 
The average atomic mass of calcium is 20 amu.
  1. True
  2. False
 
4. 
Magnesium has fewer protons than neon.
  1. True
  2. False
5. 
Tin has a larger atomic size than iodine.
  1. True
  2. False
 
6. 
Uranium-238 contains 146 neutrons.
  1. True
  2. False
7. 
Radon is a noble gas.
  1. True
  2. False
 
8. 
Mendelevium is a lanthanide.
  1. True
  2. False
9. 
Titanium has a greater average atomic mass than phosphorus.
  1. True
  2. False
 
10. 
Polonium and astatine are both halogens.
  1. True
  2. False
11. 
The atomic symbol for rutherfordium is Ru.
  1. True
  2. False
 
12. 
Lithium is an alkaline-earth metal.
  1. True
  2. False
13. 
Cobalt has 27 protons.
  1. True
  2. False
 
14. 
The symbol for tin is Sb.
  1. True
  2. False
15. 
Gold's atomic number is 79.
  1. True
  2. False
 
16. 
The Periodic Table has 7 groups.
  1. True
  2. False
17. 
Neon has a larger atomic size than xenon.
  1. True
  2. False
 
18. 
Sodium is located in Period 3 of the Periodic Table.
  1. True
  2. False
19. 
Most of the elements on the Periodic Table are metals.
  1. True
  2. False
 
20. 
Chlorine is located in Group 3 of the Periodic Table.
  1. True
  2. False
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