Helium is a non metal element. There are 2 electrons in a single atom.
Mass number = 24 = 12 protons, 12 neutrons
Helium has 2 electrons.
Helium atom has 2 electrons.
Helium-4 has 2 electrons.
Metals always lose electrons.
Helium has 2 valence electrons.
2 electrons as the atomic number of helium is 2
Helium-3 has 1 neutron and 2 electrons. Helium-4 has 2 neutrons and 2 electrons.
2 valence electrons for helium (helium has only 1 shell)
A neutral atom of helium has 2 electrons.
2 electrons
2