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Chemistry Chapter 3

Mixtures, Properties, % composition, changes

QuestionAnswer
Two or more different kinds of particles that are not chemically joined to each other. mixture
Matter can be broken down into 2 catagories. What are they? Pure Substances and Mixtures
What is considered a pure substance? Elements and compounds
What are the two types of mixtures? Heterogeneous and homogeneous
Which type of mixtures looks like it is made of different substances visually? Heterogeneous
Which type of mixtures look the same, uniform throughout? Homogeneous
separates solids from liquids by using a porous barrier Filtration
What type of change is used during distillation, crystallization or chromatography? Physical
Element or Compound: silicon Element
Element or compound: sodium chloride Compound
Element or compound: francium Element
A substance that cannot be separated into simpler substances by physical or chemical means is a(n) Element
A chemical combination of two or more different elements is a Compound
Can be purified physically but requires chemical reactions to break into its components. Compound
A Substance that can be separated into its components through physical methods? Mixture
Mixture of metals Alloy
Properties that can be observed without changing the substance's chemical structure or composition. Physical
Properties observed when the substance's atoms are rearranged, broken apart or newly bonded. Chemical
Chemicals that join together to form a new substance. reactants
New chemical formed in a chemical reaction. product
A way of writing out what happens in a chemical reaction using the symbols that represent the substances involved. symbol equation
State of matter with unchanging shape or volume Solid
State of matter that expands to take the shape of container (volume increases) Gas
State of matter that takes shape of container but does not take the volume Liquid
State(s) of matter that flow Gas and Liquid
Physical Change or Chemical Change? Boiling Physical
Physical Change or Chemical Change? Burning Chemical
Physical Change or Chemical Change? Rusting Chemical
Physical Change or Chemical Change? Freezing Physical
Physical Change or Chemical Change? Ripping Physical
Physical Change or Chemical Change? Rusting Chemical
Physical Change or Chemical Change? Tarnishing Chemical
Physical or Chemical Property? Melting point Physical
Physical or Chemical Property? Density Physical
Physical or Chemical Property? Hardness Physical
Physical or Chemical Property? reacts to oxygen Chemical
Physical or Chemical Property? bubbles when with acid Chemical
Physical or Chemical Property? Turns green when exposed to air Chemical
Physical or Chemical Property? ability to rot Chemical
Physical or Chemical Property? Malleable Physical
Matter is neither created nor destroyed, but it can be changed from one form to another Law of conservation of mass(matter)
Mass of sample / total mass x 100 = ? Percent composition
(Result-expected result)/expected result x100=? Percent Error
Created by: benkersn