Helium has 2 electrons in the 1s orbital. This also means it has 2 valence electrons. For all neutral atoms, the number of electrons is equal to the number of protons (the same as the atomic number). i suggest you get a Periodic Table.
Helium atom has 2 electrons.
Helium-3 has 1 neutron and 2 electrons. Helium-4 has 2 neutrons and 2 electrons.
Helium will have only 2 electrons
Helium has two valence electrons
Helium has 2 valence electrons.
Helium has 2 electrons.
Helium atom has 2 electrons.
Helium-4 has 2 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
helium has 2 electrons as its atomic number is 2
2 electrons in the only shell helium has.