Helium has two electrons as its atomic number is 2.
ONE, Helium is an element, not a molecule.
Helium atom has 2 electrons.
Helium has only 1 shell with two electrons.
Helium is helium. Storing it is difficult as it diffuses through many substances.
4 g or helium is 1 mole. So, 0.12 g of helium is 0.03 mole
Helium has one kind of atom: helium.
Helium has 2 electrons.
Helium has 2 protons.
Helium has only one type of gas (which is helium itself)
The number of helium atoms is 6,022 140 857.10e26.
ONE, Helium is an element, not a molecule.
Helium is an element by itself with 2 protons
Helium is one element and does not chemically react.
2 valence electrons for helium (helium has only 1 shell)
Helium atom has 2 electrons.
2 valence electrons for helium (helium has only 1 shell)
The atomic number of the element Helium is two.