Atom - the smallest particle into which an element can be divided and still be the same substance, Atomic Number - the number of protons in the nucleus which gives the identity of the element, electron - negatively charged particle that orbits the nucleus of an atom, matter - anything that has mass and takes up space (volume), neutron - the particle with no charge; located in the nucleus, Nucleus - The center core of an atom that contains the protons and neutrons, proton - positively charged particle located in the nucleus of an atom, Periodic Table - a chart where all the elements are organized into periods and groups according to their properties, proton, neutron, electron - What are the 3 subatomic particles in an atom?, electron cloud - Where are electrons found?,

Atomic vocab

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