Stack #174748
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The study of the properties of matter, and how matter changes | Chemistry
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| Characteristic of a substance that can be observed without changing it into something else. Ex: density, melting point, boiling point. | Physical Property
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| A measure of how heavy something is for its size. (Mass divided by volume) | Density
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| Characteristic observed when a substance changes into a different substance. Ex: burning, rusting... | Chemical Property
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| Substance that can't be broken into other substances by either physical or chemical means. Represented by a 1 or 2 letter SYMBOL.Ex: Hydrogen(H), Oxygen(O), Copper (Cu) | Element
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| Two or more elements chemically combined in a set ratio. | Compound
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| Uses symbols and numbers to show the ratio of elements in a compound Ex: H20,CO2 | Formula
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| Two or more substances in the same place that are not chemically combined. Ex: milk, salt & pepper | Mixture
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| A change in matter that form 1 or more new substances. Also called a CHEMICAL CHANGE. Ex: the reaction of sodium and water | Chemical Reaction
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| Short, simple way to describe a chemical reaction using symbols and formulas instead of words. Ex: C + O2 = CO2 ( "=" should be an arrow) | Chemical Equation
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| The substances you end up with in a chemical reaction to the LEFT of the arrow. | Reactants
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| The substances you end up with in a chemical reaction to the RIGHT of the arrow. | Products
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| The smallest part of an element | Atom
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| A particle made up of 2 or more atoms | Molecule
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| The force that holds atoms together. During a chemical reaction, chemical bonds are either formed or broken apart. | Chemical Bond
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Created by:
saby
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