Hydrogen: Properties & Occurrence


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Why is hydrogen not typically found free on earth?

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1. What group and period is hydrogen typically a part of?

2. Why could hydrogen be a part of the halogen and alkali earth metal families?

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About This Quiz & Worksheet

This quiz/worksheet combo will make sure you know about hydrogen. You will be asked to identify its properties and its abundance in the atmosphere, among other concepts.

Quiz & Worksheet Goals

In this quiz and worksheet, you'll assess your understanding of:

  • Hydrogen gas in the atmosphere
  • The temperature elemental hydrogen boils at
  • Protium and what it is

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the material, such as the different radioactive isotopes of hydrogen
  • Defining key concepts - ensure that you can accurately define main phrases, such as hydrogen gas and protium
  • Information recall - access the knowledge you've gained regarding the amount of hydrogen gas found in the Earth's atmosphere

Additional Learning

You can learn more by reviewing the lesson titled Hydrogen: Properties & Occurrence. It will help you understand topics like:

  • The melting point of hydrogen gas
  • Tritium
  • Bond dissociation in elemental hydrogen