Two protons are forced to collide with each other at near the speed of light to create ultra intense pressure and heat conditions. These conditions have not occurred naturally since the big bang. Scientists can measure the radiation and effects that these collisions produce to better understand the fundamentals of the universe.
The normal helium atom has two protons and two neutrons in the nucleus, and two electrons in the "shell".
Used by Rutherford in his experiment made of two protons and two neutrons are alpha particles. Rutherford discovered the nucleus using his gold foil experiment.
Helium 2 protons 2 electrons
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A helium atom has 2 protons, 2 neutrons, and 2 electrons.
2 protons and 2 neutron
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)
2 protons
volcano got were they are because 2 rocks collided and performed a volcano
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.
Helium is number 2 on the Periodic Table, and the number of its mass is 4. So, therefore it has 2 protons, 2 neutrons, and 2 electrons !
2 protons as its atomic number is 2