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Hydrogen Element Quiz

Answer these questions about the element hydrogen
Dates have a 5-year margin of error
"Discovered by" indicates the person who first recognized the substance as a distinct
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OvenBobat
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Last updated: April 30, 2026
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First submittedApril 30, 2026
Times taken6
Average score60.0%
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Hint
Answer
Periodic #
1
Atomic Symbol
H
# of valence electrons
1
Discovered by
Henry Cavendish
...who discovered it in the year
1766
Atomic group
nonmetals
Hydrogen-filled Zeppelin that caught fire in New Jersey
LZ 129 Hindenburg
Hydrogen bonds allow for this strong intermolecular force in liquids
Surface tension
Hint
Answer
Naturally occurring isotopes
Protium
Deuterium
Tritium
Type of water made with a rare isotope of hydrogen
Heavy water
Common disinfectant used on wounds
Hydrogen Peroxide
Fossil fuel found in geological formations that consists primarily of hydrogen
Natural gas
Global warming contributing compound released by cow flatulence and permafrost
Methane
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