1. Alkali
  2. Alkaline Earth
  3. Transition
  4. Post-Transition
  5. Metalloid
  6. Non-metal
  7. Halogen
  8. Noble
  9. Lanthanoid
  10. Actinoid

Current Element

Hydrogen

Atomic Mass

1.008

Phase

Gas

1

Hydrogen

General

Symbol

H

Atomic Number

1

Block

S-Block

Group

1

Period

1

Category

Nonmetal

Electron Config.

1s1

Year Discovered

1766

Atomic Properties

Oxidation States

-1, +1

Electronegativity

2.2

Ionisation Energy

1312

Atomic Radius

0.53

Covalent Radius

0.37

Van Der Waals Radius

1.2

Physical Properties

Phase

Gas

Heat of Fusion

0.117

Heat of Vaporisation

1312

Molar Heat Capacity

28.836

Melting Point

13.99

Boiling Point

20.271

Density

n/a

Atomic Mass

1.008

Other Data

Crystal Structure

Hexagonal

Magnetic Ordering

Diamagnetic

CAS Number

1333-74-0

Bonding Type

Diatomic