The isotope helium-3 contain 2 protons and 1 neutron.
The isotope helium-4 contain 2 protons and 2 neutrons.
Helium is an element because it contains only one atom in its simplest form.
No. Helium is an element, which makes it a pure substance.
Hydrogen and Helium
helium makes your voice really high
its the 2nd element on the periodic table and it makes things lighter, such as helium balloons, which float as helium is lighter than air
Helium is an element because it cannot be broken down into simpler substances through chemical means. Helium, in its elemental state as a monatomic noble gas, contains helium atoms only. Thus it is an element. It has chemical symbol He and atomic number 2.
element
helium
You're probably thinking of helium.
It is a element
No, helium is a pure substance and an element to be more specific. It has a constant composition making it a pure substance and it is homoatomic (has only one type of atom) which makes it an element.
The element symbol for helium is He