Question #1847d
1 Answer
Jul 18, 2014
Hydrogen is the lightest element in the periodic table.
Explanation:
It has atomic number 1, and the chemical symbol
It is the most abundant element in the universe.
At standard temperature and pressure, hydrogen is a colorless, odorless, tasteless, non-toxic, nonmetallic, highly combustible gas.
It is present in almost all organic compounds.
Most of the hydrogen on earth exists in molecules of water (
