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Type: Multiple-Choice
Category: Periodic Table and Elements
Level: Grade 6
Author: busser1
Last Modified: 6 years ago

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Periodic Table and Elements Question

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Grade 6 Periodic Table and Elements

The atomic number of the element mercury, a liquid metal, is 80 and its atomic weight is 200.90 amu. How many protons does one atom of mercury contain?
  1. 280
  2. 121
  3. 800
  4. 16,072
  5. None of the above