uranium

uranium atom diagram 

The nucleus is made up of 143 or 146 neutrons, neutrons are neutral they have no charge, it is found in the nucleus it weighs 1 atomic unit. elements with different types of neutrons are called isotopes.

the nucleus is also made up of protons it has 92 of them. they are positive the number of protons determines the element. it weighs 1 atomic mass. uranium has 92 electrons, electrons is a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.