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Physical Chapter 15

Classification of matter

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: baking soda compound
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
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
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
homogeneous mixture with particles that will never settle out, particles too small to see without an extreme microscope Solution
Heterogeneous mixture with large particles that easily settle out Suspension
Scattering of light off of a colloid, reason fog can blind people when driving Tyndall Effect
homogeneous mixture, usually something dissolved in water Solution
Mixture with particles (visible with magnifying glass)that take a long time to settle. Scatters light Colloid
Matter is neither created nor destroyed, but it can be changed from one form to another Law of conservation of mass(matter)
Created by: benkersn