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Elements/Compounds

6.5B Earth's Elements and Spheres

TermDefinition
Element Pure substance composed of the same type of atom throughout.
Periodic Table of Elements Table in which all the known elements are arranged by properties & are represented by 1 or 2 letters, referred to as chemical symbols.
Lithosphere Rigid outer layer of Earth made up of the uppermost part of the mantle & crust; litho = rock; sphere = globe
Hydrosphere All of the water on Earth; hydro = water; sphere = globe
Biosphere Sum of all living matter, made of a limited number of elements including oxygen, carbon, hydrogen, nitrogen, calcium, & phosphorus; bio = life; sphere = globe
Atmosphere Layer of gas surrounding planet Earth, held in place by gravity; composed of a limited number of elements, primarily nitrogen & oxygen; atmo = air; sphere = globe
Matter Anything that has mass & takes up space.
Properties Physical & chemical characteristics of matter used to describe or identify a substance.
Mixture Combination of 2 or more substances which do not chemically combine.
Uniform Composition Made of the same evenly distributed substance or combination of substances throughout; uni = one
Created by: trauberk
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