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Hydrogen Trivia Quiz

About the element hydrogen.

A multiple-choice quiz by TonyTheDad. Estimated time: 4 mins.

Author
TonyTheDad

Time
4 mins

Type
Multiple Choice

Quiz #
31,535

Updated
Dec 03 21

# Qns
5

Difficulty
Tough

Avg Score
3 / 5

Plays
3014

One at a Time - Single Page - Timed Game

Question 1 of 5

1. 'Hydrogen' means: Hint

water forming

sun fuel

heat making

lightest

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Question 2 of 5

2. When was hydrogen recognized as a distinct substance? Hint

1933

1812

1766

1492

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Question 3 of 5

3. Hydrogen's isotopes are the only ones that have distinct names. Which of the following is NOT an isotope of hydrogen? Hint

Protium

Dilithium

Deuterium

Tritium

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Question 4 of 5

4. How much of the mass of the observable universe is made of hydrogen? Hint

90 percent

50 percent

75 percent

25 percent

NEXT>

Question 5 of 5

5. A cubic foot of hydrogen in a balloon will lift about how much weight? Hint

1 pound

1 gram

1 kilogram

1 ounce

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Quiz Answer Key and Fun Facts

1. 'Hydrogen' means:

Answer: water forming

Gr. hydro, water, and genes, forming

2. When was hydrogen recognized as a distinct substance?

Answer: 1766

It was recognized as a distinct substance by Cavendish in 1766.

3. Hydrogen's isotopes are the only ones that have distinct names. Which of the following is NOT an isotope of hydrogen?

Answer: Dilithium

Protium is hydrogen with only a proton in its nucleus. Deuterium has a proton and neutron. Tritium has a proton and two neutrons. Dilithium is the fictional substance on "Star Trek" that is an essential component of their warp drive.

4. How much of the mass of the observable universe is made of hydrogen?

Answer: 75 percent

90 percent of atoms are hydrogen, but on a mass basis they compose 75 percent of the universe's mass. (These figures do not reflect "dark matter" theory.)

5. A cubic foot of hydrogen in a balloon will lift about how much weight?

Answer: 1 ounce

The lifting power of 1 cubic foot of hydrogen gas is about 0.07 lb at 0C, 760 mm pressure.

Source: Author TonyTheDad

This quiz was reviewed by FunTrivia editor crisw before going online.
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