H
Hydrogen
1
1.008
Key Information:
Atomic Number: 1
Atomic Mass: 1.008
Atomic Symbol: H
Element Type: nonmetal
Element Group: 1
Element Period: 1
Element Block: s
Melting Point: −259.16°C, −434.49°F, 13.99 K
Boiling Point: −252.879°C, −423.182°F, 20.271 K
Hydrogen