The Three Isotopes of Hydrogen

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question 1 of 3

Which isotope of hydrogen is radioactive?

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1. Which isotope of hydrogen is the most abundant?

2. There are three isotopes shown below. The red circles are neutrons, the blue circles are protons, and the green circles are electrons. Which isotope is tritium?

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About This Quiz & Worksheet

There are three isotopes in hydrogen. Use this quiz/worksheet combo to test your understanding of why isotopes are significant.

Quiz & Worksheet Goals

Use this printable worksheet and quiz to review:

  • Isotopes
  • Hydrogen
  • Atomic mass

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Defining key concepts - ensure that you can accurately define main terms and phrases, such as protons, neutrons and naturally abundant isotopes
  • Knowledge application - use your knowledge of isotopes to answer questions about heavy and ordinary hydrogen
  • Information recall - access the knowledge you've gained regarding radioactive isotopes

Additional Learning

To learn more about elements and isotopes, review the accompanying lesson called The Three Isotopes of Hydrogen. This lesson covers the following objectives:

  • Lists the isotopes of hydrogen
  • Explains how isotopes differ
  • Discusses the natural abundance of isotopes
  • Shows the isotopes of hydrogen in illustration and table summary form
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