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Chemistry

TermDefinition
Matter Anything that has mass and ocupies space.
Element A substance composed of a single kind of atom that cannot be broken down into other substances or chaimcal phyical means.
Pericodic Table An organized table of all the know elements.
Atomic Number The number of protons or electrons in an element.
Atomic Symbol An abbravtion for the element name.
Atomic Mass The mass of protons + neutron.
Coompound A substance in which two or more elements are cheimcaly joined in a set radio.
Mixture Two or more substances that are mixed together but not cheimecaly combined.
Atom The smallist unit of an element that retains the propeites of the element.
Nucleus The central core of an atom that contains the neutrons and protons.
Proton Small postively charged partiacle in the nuclues of an atom.
Neutron The uncharged particale in the nucles of an atom.
Electron A tiny negitive charged high enegry particale around the nucleus of an atom.
Electron Shell Fixed orbits or paths that electrons travel in around the nucles.
Molecule Two or more atoms that are bounded together.
Chemical Bound The force that holds two or more subtances together.
Created by: 3119235