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Chemistry voc Review

8th chemistry

Good conductor of electricity metals
poor conductor of electricity nonmetals
a chart used to group elements periodic table
matter can not be created or destroyed Law of Conservation of Matter
elements chemically combine compound
made of all the same type of atom element
color, size, shape physical properties
a new substance is produced chemical change
transformation of one chemical substance into a product reactant
when 2 reactants go through a chemical reaction that create a... product
can be separated by physical means, the elements are not chemically combined mixture
technique used to separate sugar from water evaporation
as heat energy is added to ice the motion of the molecules increase
atoms of a substance vibrate in place in what phase of matter solid
when a pond freezes the heat energy decreases
In a liquid the space between molecules increase
elements on the far right hand side of the periodic table are metals
sodium and potassium are highly reactive_____ metals
number of protons and neutrons atomic mass
Created by: 1390923165