Write the composition of the volatile hydrogen compound of phosphorus.

The composition of the volatile hydrogen phosphorus compound is as follows: PH3.
This compound is called phosphine. Phosphine (hydrogen phosphide, hydrogen phosphide, phosphorus hydride). PH3 – refers to colorless poisonous gases (under normal conditions), containing a specific smell of rotten fish.
It dissolves in water poorly, practically does not react with it. If a low temperature is created, a solid clathrate 8PH3 · 46H2O is formed. Negatively affects the nervous system, because of its influence, metabolic disorders occur.