Helium has two positively charged protons, two negatively charged electrons.
He-3 isotope has 1 neutral neutron, He-4 isotope has 2 neutral neutrons.
Helium has 2 protons and 2 electrons. He-3 and He-4 isotopes have 1 and 2 neutrons.
Helium-6 has two protons and electrons and four neutrons.
Protons: 2 neutrons: 2 electrons: 2 Helium-3: 2 protons, 1 neutron, 2 electrons Helium-4: 2 protons, 2 neutrons, 2 electrons
A helium atom has 2 protons, 2 neutrons, and 2 electrons.
One atom of helium contains 2 protons and 2 electrons. The most abundant isotope of helium, helium-4, has 2 neutrons. The other, rare isotope of helium, helium-3, has 1 neutron. (Source: Wikipedia)
Helium has 2 protons and 2 electrons. He-3 and He-4 isotopes have 1 and 2 neutrons.
Helium-6 has two protons and electrons and four neutrons.
Protons: 2 neutrons: 2 electrons: 2 Helium-3: 2 protons, 1 neutron, 2 electrons Helium-4: 2 protons, 2 neutrons, 2 electrons
A helium atom has 2 protons, 2 neutrons, and 2 electrons.
One atom of helium contains 2 protons and 2 electrons. The most abundant isotope of helium, helium-4, has 2 neutrons. The other, rare isotope of helium, helium-3, has 1 neutron. (Source: Wikipedia)
protrons=2 electrons=2 neutrons=2
The normal helium atom has two protons and two neutrons in the nucleus, and two electrons in the "shell".
Helium has 2 protons, 2 neutrons, and 2 electrons.
Helium has 2 protons, 2 neutrons, and 2 electrons. The atomic number of helium is 2, which indicates it has 2 protons and 2 electrons in a neutral atom.
2 protons 2 electrons 2 neutrons 2 protons 2 electrons 2 neutrons don't know
2 protons, 2 electrons He-3 isotope has 1 neutron He-4 isotope has 2 neutrons
In normal Helium(He) atom there are 2 electrons, 2protons and 2 neutrons.