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1. www.rsc.org › periodic-table › elementHelium - Element information, properties and uses | Periodic...

   www.rsc.org › periodic-table › element

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   Learn about helium, a colourless, odourless and unreactive gas that is the second most abundant element in the universe. Find out its discovery, origin, uses, biological role, natural abundance and more on the periodic table.

   • Videos of Helium

     Donald Duck voices and floating balloons. Helium is element...

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     Glossary. Data for this section been provided by the British...

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     For technical issues with this website, contact...

   • Arsenic

     Arsenic, atomic number 33 lies in between phosphorus and...

   • Molybdenum

     Molybdenum - Helium - Element information, properties and...

   • Tellurium

     Tellurium - Helium - Element information, properties and...

2. en.wikipedia.org › wiki › HeliumHelium - Wikipedia

   en.wikipedia.org › wiki › Helium

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   Helium (from Greek: ἥλιος, romanized: helios, lit. 'sun') is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table.

3. periodictable.chemicalaid.com › element › HeHelium (He) - Periodic Table

   periodictable.chemicalaid.com › element › He

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   Helium is the second element in the periodic table with the symbol He and atomic number 2. It is a colorless, odorless, nonmetallic gas with low boiling and melting points, and belongs to group 18 of the periodic table.

4. www.periodictable.io › periodic-table › heliumHelium - Periodic Table

   www.periodictable.io › periodic-table › helium

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   Learn about helium, a noble gas with symbol He and atomic number 2, and its properties, sources and uses. Explore the periodic table of the elements built on Cardano and own a helium NFT with unique utility.

5. www.britannica.com › science › helium-chemical-elementHelium | Definition, Properties, Uses, & Facts | Britannica

   www.britannica.com › science › helium-chemical-element

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   helium (He), chemical element, inert gas of Group 18 (noble gases) of the periodic table. The second lightest element (only hydrogen is lighter), helium is a colourless, odourless, and tasteless gas that becomes liquid at −268.9 °C (−452 °F).

6. periodic-table.com › heliumHelium - Periodic Table

   periodic-table.com › helium

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   Helium is a colorless, odorless, inert gas with the lowest melting point and boiling point among all elements. It is the second most abundant element in the universe and is produced by radioactive decay of thorium and uranium.

7. webelements.com › heliumWebElements Periodic Table » Helium » the essentials

   webelements.com › helium

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   Helium is a noble gas with the symbol He and atomic number 2. Learn about its properties, history, uses, isotopes, and more on this WebElements page.