Helium 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 ...

Helium is a chemical element with the atomic number 2 and the symbol He. It is a colourless, odourless, tasteless, non-toxic, inert monatomic gas.

9 янв. 2020 г. · On the periodic table of elements, helium is element number 2 .

8 февр. 2016 г. · Helium is an element.When two or more elements come together to form a substance it is known as a compound. Is gas inside a helium balloon a compound or an element? Is helium a pure substance or a mixture? - Quora Why doesn't Helium form a compound? - Quora What are some reasons why helium does not form a compound ... Другие результаты с сайта www.quora.com

23 мая 2018 г. · On the periodic table of elements, helium is element number 2 , and so that should tell you that it's an element of course...