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Helium - Ontify

Helium

Element 2

Chemical element with symbol He and atomic number 2; rare gas.

Statements about Helium

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External Pages About Helium

U.S. National Archives

Encyclopædia Britannica Online

KBpedia

WordNet 3.1 Synset

Encyclopedia of China (Third Edition)

BBC Things

Open Library Subject

Dewey Decimal Classification

Discoverer or Inventor

Atomic Number

2

Subclass Of

Named After

Image

Density

0.179 kilogram per cubic metre

Described by Source

Armenian Soviet Encyclopedia

Great Soviet Encyclopedia (1926–1947)

Brockhaus and Efron Encyclopedic Dictionary

Small Brockhaus and Efron Encyclopedic Dictionary

Otto's Encyclopedia

Encyclopædia Britannica 11th Edition

Granat Encyclopedic Dictionary

Mass

4.003 dalton

Has Characteristic

Part Of

Has Use

Different From

Stack Exchange Tag

Instance Of

Schematic

Applies to Part

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Simple Substance

Applies to Part

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Simple Substance

Applies to Part

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Simple Substance

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:1

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Nuclear Reactor

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Technical Diver

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https://astronomy.stackexchange.com/ ...

Chemical Element

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Atmophile Element

: 1868

: 1895

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1911 Encyclopædia Britannica/Helium

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Standard Atomic Weight