Two protons and (two) neutrons inside the nucleus of the atom.
Two electrons outside the nucleus.
The three main parts to a ballon is the ballon itself, the gas inside it (air or helium), and the knot that keeps the gas inside.
Hydrogen and helium
what are the three main parts of shotgun
Hydrogen and helium
The compound microscope has three main parts, The three main parts of a microscope includes the illuminating parts, the magnifying parts, and the mechanical parts.
cooling superconductors
the three main parts are look it up
Helium and Hydrogen
the answer is yes, they do have three main body parts.
The three main parts of an element are protons, neutrons, and electrons.
helium and hydroen
no it has three main body parts