| Question | Answer | % Correct |
|---|---|---|
| At standard temperature and pressure (STP), what phase is hydrogen? | Gas | 90%
|
| Which element results from the fusion of hydrogen nuclei in stars? | Helium | 71%
|
| What state is hydrogen mostly found in throughout the universe? | Plasma | 67%
|
| 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? | Water | 62%
|
| To the nearest 5%, what percentage of baryonic matter in the universe is composed of hydrogen? | 75% | 52%
|
| What property of hydrogen was largely responsible for the decline of zeppelin use after 1937? | It is flammable | 33%
|
| Which two isotopes of hydrogen are commonly proposed for use in fusion power generation? | Deuterium and tritium | 19%
|
| Who first recognised hydrogen as a distinct substance? | Henry Cavendish | 19%
|
| What is the most common isotope of hydrogen called? | Protium | 19%
|
| What does hydrogen's name, derived from Greek, mean? | Water former | 14%
|