The two jovian planets that contain the highest proportions of hydrogen compounds are view available hint(s) the two jovian planets that contain the highest proportions of hydrogen compounds are jupiter and neptune saturn and uranus jupiter and uranus saturn and neptune uranus and neptune jupiter and saturn

Uranus and Neptune

Explanation:

The planets beyond Earth are called Giant planets. The other name of the Giant planets is Jovian planets they are, Jupiter, Saturn, Uranus and Neptune.

It is believed that the planets Jupiter and Saturn consist of a solid core and the rest of the mass is in liquid or gaseous form so, they are called gas giants.

The planets Uranus and Neptune have the gases solidified in the form of ice. All the Jovian planets consist of majority hydrogen gas and helium gas.

The planets Uranus and Neptune have the highest proportions of hydrogen compounds

answer: electrons