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Unit 4 vocab

atomic mass average mass of one atomof an element
periodic table a chart where all elements are organized into periods and groups according to their properties
chemical symbol one or two letter code that stands for an element;many symbols are observations of the elements name; which may be english,latin,or greek in origin.
period chemistry: a row of elements in the periodic table arranged by atomic mass.
group column of elements in the periodic table, in which elements have certain properties in common;also called chemical family.
matter the material that all objects and substances are made of;anything that has mass and takes up space.
element substances that are the building blocks of all matter; an element is made up of one kind of atom.
compound matter made of two or more elements; the elements in a compound are chemically bonded cannot be seperated by physical means, and a compound has properties that are different from the elements that make it up.
atom smallest particle into which an elemnt can be divided and still have the properties of that element.
electron negativily charged particles sound outside the nucleus of an atom.
nucleus biology structure near the center of a cell that contains the cells.
proton positively charged particle located in the nucleus of an aton.
nuetron in an atom, particle with a neutral charge; located in the nucleus.
Created by: TIGERS15