The most abundant element in the world!
Hydrogen's symbol is H and it contains one proton and one electron. It is a gas in its normal state and has a atomic mass of 1.00794 grams. Hydrogen is a nonmetal and its atomic number is 1. It doesn't belong to a family on the periodic table.
Melting Point: -259.34 C
Boiling Point: -252.87 C
Hydrogen is colorless and odorless and costs $12 for 100 grams.
Hydrogen is used in producing rocket fuel, filling balloons, making hydrogen peroxide, and many more things!
Henry Cavendish discovered hydrogen in 1766. It originates from the Greek words "hydro" and "genes" meaning "water" and "generator".