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8th Grade Chemistry

TermDefinition
acid substances that contain hydrogen and have a pH under 7
adhesion the property of water that causes it to stick to other objects
cohesion the property of water that causes it to stick to itself
surface tension the cohesive property of water that causes it to resist external force
base substances that contain hydroxide and have a pH over 7
capillary action water seems to climb up small tubes due to adhesion
compound a pure substance made by chemically combining two or more elements; represented by a chemical formula
element a pure substance that cannot be broken down chemically into simpler substances
heterogenous mixture a mixture that is not uniform throughout
homogeneous mixture a mixture that is uniform throughout
pH the measure of how acidic or basic a solution is
chemical equation a representation of a chemical reaction using chemical symbols, numbers, and a symbol →
chemical reaction the rearrangement of atoms to form new substances with different properties
Law of Conservation of Mass matter is not created or destroyed, only rearranged
solid a state of matter in which the substance has a set shape and size
malleability a physical property of an object allowing it to be reshaped with bending or cracking
luster gentle shining light that is reflected from a surface
coefficient
subscript
physical change
chemical change
density
volume
kinetic energy
pure substance
fluorescence
precipitate
ductility
metals
nonmetals
metalloids
Rare earth metals
brittle
atom
chemical formula
chemical symbol
molecule
ratio
agitation
aqueous solution
concentration
dilution
solute
solvent
rate of dissolution
Created by: SGwartney
 

 



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