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Radon Trivia Quiz

The element radon.

A multiple-choice quiz by TonyTheDad. Estimated time: 3 mins.

Author
TonyTheDad

Time
3 mins

Type
Multiple Choice

Quiz #
55,237

Updated
Dec 03 21

# Qns
5

Difficulty
Average

Avg Score
3 / 5

Plays
1535

One at a Time - Single Page - Timed Game

Question 1 of 5

1. Radon exists in this form at standard temperature and pressure. Hint

plasma

liquid

gas

solid

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Question 2 of 5

2. Every square mile of soil to a depth of 6 inches has about this amount of radon. Hint

1 kilogram

1 ounce

1 metric ton

1 gram

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Question 3 of 5

3. Of the following isotopes of radon, which has the longest half-life? Hint

Rn-222

Rn-219

Rn-220

Rn-217

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Question 4 of 5

4. Radon belongs to this group of elements. Hint

Halogens

Noble gases

Transition metals

Rare earth elements

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Question 5 of 5

5. Radon was called 'radium emination' until _____, after which it has been called radon. Hint

1910

1964

1945

1923

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Quiz Answer Key and Fun Facts

1. Radon exists in this form at standard temperature and pressure.

Answer: gas

At ordinary temperatures radon is a colorless gas, the heaviest known.

2. Every square mile of soil to a depth of 6 inches has about this amount of radon.

Answer: 1 gram

3. Of the following isotopes of radon, which has the longest half-life?

Answer: Rn-222

Rn-222 has a half-life of 3.82 days, Rn-217's is 0.6 milliseconds, Rn-219's is 3.96 seconds, and Rn-220's is almost a minute.

4. Radon belongs to this group of elements.

Answer: Noble gases

5. Radon was called 'radium emination' until _____, after which it has been called radon.

Answer: 1923

Source: Author TonyTheDad

This quiz was reviewed by FunTrivia editor rossian before going online.
Any errors found in FunTrivia content are routinely corrected through our feedback system.

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Referenced Topics

Science Chemistry Specific Elements

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