hydrogen
Hydrogen is element 1 on the periodic table. This topic is part of Chemistry within Science & Nature. This page currently draws on 37 supporting questions, with answers and bonus facts available below.
hydrogen trivia questions
What is the chemical symbol for hydrogen?
Answer: H
Bonus fact: Hydrogen is element 1 on the periodic table.
Hydrogen is the most abundant element in what?
Answer: The universe
Bonus fact: Hydrogen makes up most ordinary matter in stars and interstellar gas.
The most common isotope of hydrogen has how many neutrons?
Bonus fact: Protium, ordinary hydrogen-1, has one proton and no neutrons.
Commercial ammonia is produced mainly from nitrogen and hydrogen using which industrial process?
Answer: Haber-Bosch process
Bonus fact: The Haber-Bosch process made large-scale synthetic fertilizer production possible.
What is the atomic number of hydrogen?
Answer: 1
Bonus fact: Hydrogen has one proton.
Helium is safer than hydrogen for balloons mainly because it is what?
Answer: Nonflammable
Bonus fact: Helium does not burn.
A hydrocarbon contains only hydrogen and what other element?
Answer: Carbon
Bonus fact: Hydrocarbons are compounds of carbon and hydrogen.
Because pH is logarithmic, a difference of one pH unit corresponds to roughly what change in hydrogen-ion concentration?
Answer: Tenfold
Bonus fact: Each whole pH step represents a factor of ten.
Carbohydrates contain primarily carbon, hydrogen, and what?
Answer: Oxygen
Bonus fact: Many carbohydrates roughly follow a 1:2:1 ratio of C:H:O.
Ammonium contains nitrogen and what element?
Answer: Hydrogen
Bonus fact: The ion has one nitrogen and four hydrogens.
A brown dwarf is an object between a giant planet and what?
Answer: Star
Bonus fact: Brown dwarfs are not massive enough for sustained hydrogen fusion.
Brown dwarfs can fuse which isotope at sufficiently high mass?
Answer: Deuterium
Bonus fact: Deuterium fusion can occur even when ordinary hydrogen fusion cannot.