Category:Helium

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helium 
Helium discharge tube.jpg
chemical element with the chemical symbol He and the atomic number of 2,molecular weight 4.0026
Wikipedia-logo-v2.svg Wikipedia
Instance ofchemical element (hydrogen, lithium)
Subclass ofgroup 18,
period 1
Named after
Discoverer or inventor
Time of discovery or invention18 August 1868
Authority control
GND ID: 4132459-6
Wikidata
Blue pencil.svg

Subcategories

This category has the following 8 subcategories, out of 8 total.

C

F

H

I

L

Pages in category "Helium"

This category contains only the following page.

Media in category "Helium"

The following 102 files are in this category, out of 102 total.