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science

QuestionAnswer
solute solid, dissolves in a solvent
solvent liquid
solution solute+solvent
dilute to make weaker, less concentrated
concentrated a strong substance
solubility he capability to be dissolved in a solvent
element made up of one type of atom cannot be broken down
compound 2 or more atoms can be broken down by chemical means.
valence electrons the electrons in an atoms outermost shell
protons atomic number
electrons atomic number
neutrons atomic mass-atomic number
pure substance an element where the components are chemically bonded and each component contains its own chemical properties
mixture solutions that can be seperated by physical means and the components are not chemically bonded
law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction.
physical properties does not change the chemical identity
chemical property undergoes a chemical change
physical change a change in matter
chemical change one or more substance mixed together to form a new substance
chemical reaction taking place when the chemical changes color, precipitates form, gas, odor, or change in temperature
exothermic energy is released
endothermic energy is absorbed
Created by: lunabunajuna
 

 



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