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Matter A physical substance
Atom The basic unit of a chemical element
Substance Real physical matter
Element A part or aspect of something abstract
Molecule A group of atoms bonded together
Compound A thing that is composed of two or more separate elements
Mixture A substance made by mixing other substances together
Heterogeneous Mixture A mixture is a material system made up of two or more different substances which are mixed but are not combined
Homogeneous Mixture Homogeneous as a term in physical chemistry and material science refers to substances and mixtures which are in a single phase.
Nucleus The central and most important part of an object
Proton A stable subatomic particle occurring in all atomic nuclei
Neutron A subatomic particle of about the same mass as a proton but without an electric charge
Electron A stable subatomic particle with a charge of negative electricity
Electron cloud An atomic orbital is a mathematical function that describes the wave-like behavior of either one electron
Atomic Number The number of protons in the nucleus of an atom
Isotope Each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei
Ion Molecule with a net electric charge
Created by: Curtis2013