Abby Sears

Physical Properties

Hydrogen is a gas at room temperature. It is a colorless, tasteless, and odorless gas. Hydrogen is the lightest gas, and is highly flammable. The density of Hydrogen is less than 1. It's mass is equal to 1.00794.

Chemical Properties

Hydrogen is insoluble in water. Hydrogen is not reactive with acid. Hydrogen is in the air and does not react, unless a flame or spark is present.

More About Hydrogen

Other Information

Other Information

* Atomic mass = 1.00794
* Atomic number = 1
* Boiling point = -252.87 degrees C
* Melting point = -259.14 degrees C
* Group 1A (non-metal)
* Period 1
* 3 isotopes