chemicalelements.info

Hydrogen

1
H
Hydrogen
1.008

Properties

Symbol:H
Atomic Number:1
Atomic Weight:1.008

Electron Configuration

Hydrogen (H) is a chemical element with atomic number 1 (one single proton in its nucleus). Together with oxygen, hydrogen constitutes water (H2O). Hydrogen is the most abundant element in the universe.

The most common Hydrogen isotope is 1H - no neutrons, just a single proton and a single electron.