The region of negative charge surrounding an atomic nucleus that is associated with an atomic orbital.
Electrons are found in the shells and clouds.
Zirconium has four electron clouds surrounding its nucleus. These clouds correspond to the four electrons in zirconium's outermost energy level.
lightning
They are the probability of finding the electrons.
lightning
arnound
lightning
Neutrons and protons are placed in the atomic nucleus; electrons move surrounding this nucleus in clouds of electrons.
Polonium has 84 electrons.
electrons
Assuming that's the nucleus of an atom, the answer is "electrons". They are in "clouds", sort of, around the nucleus of atoms.
Electrons orbit in electron clouds. They are in definite layers, and are lettered starting with K.