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Question
Answer
What does hydrogen's name, derived from Greek, mean?
Water former
Who first recognised hydrogen as a distinct substance?
Henry Cavendish
At standard temperature and pressure (STP), what phase is hydrogen?
Gas
To the nearest 5%, what percentage of baryonic matter in the universe is composed of hydrogen?
75%
What state is hydrogen mostly found in throughout the universe?
Plasma
What is the most common isotope of hydrogen called?
Protium
Which element results from the fusion of hydrogen nuclei in stars?
Helium
Which two isotopes of hydrogen are commonly proposed for use in fusion power generation?
Deuterium and tritium
What property of hydrogen was largely responsible for the decline of zeppelin use after 1937?
It is flammable
On 1 April 1983 the Durand Express newspaper in Durand, Michigan reported that dihydrogen oxide had been found in the town's water wipes. What might a more common name be for dihydrogen oxide?