Interactive Periodic Table of Chemical Elements
Interactive Periodic Table
Explore chemical elements and their properties
0°C (273K)
-273°C5000°C
State at Current Temperature:
Solid
Liquid
Gas
Alkali Metal
Alkaline Earth
Transition Metal
Post-transition
Metalloid
Nonmetal
Halogen
Noble Gas
Lanthanide
Actinide
H
Hydrogen
nonmetal
Atomic Number1
Atomic Mass1.0080 u
State at {temperature}°CGas
Density0.00008988 g/cm³
Melting Point-259.14°C
Boiling Point-252.87°C
Electron Configuration1s¹
Electronegativity2.2