All atoms contain protons and neutrons (with the only exception of the 1H atom, which has only a single proton).
The nucleus.
The nucleus.
That would be the nucleus of the atom
The nucleus
The nucleus.
The atomic nucleus is the part of the atom that contains protons and neutrons.
They are found in the atom's nucleus.
Neutrons are protons are present in the nucleus of an atom.
Protons neutrons and electrons
Nucleus
Number of protons + Number of neutrons = Mass number(number of nucleons)
A hydrogen atom has 1 proton in its nucleus. Since the helium-4 atom has twice as many protons as hydrogen, it has 2 protons. Helium-4 also has 2 neutrons, hence the name "4" representing the total number of protons and neutrons.