When should we speak of hydrogen atoms rather than hydrogen molecules....?

1 Answer
Jul 11, 2017

Answer:

When the circumstances demand it. You have the same mass of hydrogen in either scenario.........

Explanation:

Chemists sometimes speak of #"dihydrogen"# in order to distinguish this from #"ATOMIC hydrogen"#. In either scenario you have differentiate between #"dihydrogen gas"# and #"atomic hydrogen"#.....i.e. you yourself specify the molecularity.