[Answer] the nucleus of an atom contains ___________

Answer: periods groups

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the nucleus of an atom contains ___________ What is Mass of Nucleus - Atomic Mass Unit - Definition Nucleus of an Atom and It's Composition - Atomic Mass and ... HELP ME !!!!!!! What is the atomic number of an atom?(1 ... Subatomic Particles of an Atom - Definition and Discovery The nucleus was discovered in 1911 as a result of Ernest Rutherford's efforts to test Thomson's "plum pudding model" of the atom. The electron had already been discovered by J.J. Thomson. Knowing that atoms are electrically neutral J.J.Thomson postulated that there must be a positive charge as well. In his plum pudding model Thomson suggested that an atom consisted of negative electrons randomly scattered within a sphere of positive charge. Ernest Rutherford later devised an experiment with his res… The nucleus is the center of an atom. It is made up of nucleons called (protons and neutrons) and is surrounded by the electron cloud. The size (diameter) of the nu...

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