Helium is an element.
Helium is an element not a mixture.
It is a element
Helium is an element. It is a noble gas. It is in the 18th period.
Helium is an element
Helium is an element.
element
It is a element
Helium is an element. It is in the 18th group of the periodic table. It is a noble gas.
ONE, Helium is an element, not a molecule.
Helium is gaseous but it is not a mixture - it is a chemical element.
Neither. Helium is an element
Helium is an element and not a compound or mixture.