Counting Protons, Neutrons And Electrons

4 Questions | Total Attempts: 288

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Counting Quizzes & Trivia

Use the atomic number and mass number to find the number of protons, neutrons and electrons.


Questions and Answers
  • 1. 
    How many protons, neutrons and electrons are in the following atom  3216S?
    • A. 

      P=16, E=16, N=16

    • B. 

      P=16, E=16, N=32

    • C. 

      P=8, E=16, N=16

    • D. 

      P=8, E=8, N=32

  • 2. 
    How many protons, neutrons and electrons are in the following atom Fluorine-19
    • A. 

      P=9, E=10, N=9

    • B. 

      P=9, E=9, N=10

    • C. 

      P=9, E=9, N=19

    • D. 

      P=19, E=19, N=19

  • 3. 
    Lead has the atomic number 82 and a mass number 207, how many protons, neutrons and electrons are in the atom?
    • A. 

      P=82, E=82, N=82

    • B. 

      P=207, E=207, N=207

    • C. 

      P=82, E=82, N=125

    • D. 

      P=125, E=125, N=82

  • 4. 
    How many protons are in an atom of Arsenic (As)?
    • A. 

      74.922

    • B. 

      6

    • C. 

      75

    • D. 

      33