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7th Gr/Science Terms

The bottom support of anything. Base
A chemical reaction. The rearrangement of the atoms of one or more substances and a change in their chemical properties. chemical change
a property or characteristics of a substance chemical property
composed of two or more elements compound
the state or quality of being dense density
an elementary particle that is a fundamental constituent of matter, having a negative change of 1.602 x 1.602 × 10^ −19 coulombs electrons
substances that cannot be separated into simpler substance element
a substance possessing perfect molecular mobility and the property of indefinite expansion gas
composed of molecules that move freely among themselves liquid
a body of coherent matter, usually of indefinite shape and often of considerable size mass
a compound usually having a sour taste and capable of neutralizing alkalis and reddening blue litmus paper, containing hydrogen that can be replaced by a metal or an electropositive group to form a salt, or containing an atom that can accept a pair of ele acid
a particle of matter indivisible by chemical means. It is the fundamental building block of elements. atom
a pointing or directing device, as a pointer on the dial of an instrument to show pressure, temperature, speed, volume, or the like. indicator
Created by: JDzenowski