Ms. Ada voiceReady
Captions for spoken guidance appear here.
Filter by state, explore trends, compare two elements, and switch 2D/3D in the detail panel.
118 elements match. Use arrow keys to move selection.
Hydrogen (H)
- Atomic number
- 1
- Relative atomic mass (IUPAC)
- 1.008
- Relative atomic mass (WAEC calculations)
- 1
- Group
- 1
- Period
- 1
- Block
- s
- Metal or non-metal
- non-metal
- State at room temperature
- Gas
- Electron arrangement
- 1
- Electron configuration
- 1s1
- Atomic radius (pm)
- 120
- Electronegativity
- 2.2
- First ionisation energy (eV)
- 13.598
Common uses
- Manufacture of ammonia (Haber process)
- Hydrogenation of vegetable oils to make margarine
Where found or used
Not yet written.
In Nigeria
No Nigerian example yet.
Data: PubChem Periodic Table of Elements (National Library of Medicine, NIH). Licence: Public domain (US Government work); see https://www.ncbi.nlm.nih.gov/home/about/policies/.
Mini-game: Match the group
Drag each element into the correct group bin (keyboard: select element, then G1/G17/G18).
Group 1
Group 17
Group 18