Element Detail View
Hydrogen (H)
Atomic Number: 1 | Category: Nonmetal | Period 1, Group 1
Summary
Hydrogen is the lightest element and a major fuel source in stars.
Electrons by shell: 1
Common Uses
Ammonia production, hydrogenation processes, and emerging fuel cell applications.
Discovery Year
1766 (isolated by Henry Cavendish)
Discovery Notes
Later named by Antoine Lavoisier; identified as a distinct element and key component of water.
Category Insight
Nonmetals are diverse elements that often form covalent bonds.
Quick Facts
Symbol: H | Atomic #: 1 | Group: 1 | Period: 1