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Protons: 2 neutrons: 2 electrons: 2
Helium-3: 2 protons, 1 neutron, 2 electrons
Helium-4: 2 protons, 2 neutrons, 2 electrons
Eino Rolfson
Elza Olson
Protons: 2 neutrons: 2 electrons: 2
Helium-3: 2 protons, 1 neutron, 2 electrons
Helium-4: 2 protons, 2 neutrons, 2 electrons
Wiki User
∙ 8y agoHelium has two protons. A neutral helium atom therefore also has two electrons, but note that in general, atoms can gain or lose electrons. The number of neutrons, of course, depends on the specific isotope; the most common isotope, helium-4, has 2 neutrons, while helium-3 has 1 neutron.
Wiki User
∙ 11y agoProtons: 2 neutrons: 2 electrons: 2
Helium-3: 2 protons, 1 neutron, 2 electrons
Helium-4: 2 protons, 2 neutrons, 2 electrons
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