Difference in Molecular Mass and Atomic Mass: Get here the short notes for your Chemistry exam to explain atomic mass and molecular mass. ... Hydrogen: 1.008 amu × 2 = 2.016 amu; Oxygen: ...

A vast star-forming cloud of molecular hydrogen that is one of the largest single structures in the sky has been discovered hidden near the solar system.. The crescent-shaped cloud—which its ...

The scientists have named the molecular hydrogen cloud "Eos," after the Greek goddess of mythology, who is the personification of dawn. ... with a mass about 3,400 times that of the sun.

Hydrogen water is regular water that's been enhanced with molecular hydrogen gas, known as H 2. Hydrogen is a tasteless, colorless, odorless gas that can combine with other elements, such as oxygen.