Vocabulary
physical & chemical properties
Physical & chemical changes
separating mixtures
Classifying Matter
100
matter that always has exactly the same composition is classified as
What is a pure substance
100
Ability to conduct electricity
What is conductivity
100
Iron rusts
What is chemical change
100
sand and water
What is filtration
100
a solid chunk of Gold (Au)
What is an element
200
a substance that cannot be broken down into simpler substances
What is an element
200
A sheet of copper can be pounded into a bowl.
What is malleability
200
Ice melting
What is physical change
200
a mixture of water (BP 100 C) and ethanol (BP 78 C)
What is distillation
200
water
What is a compound
300
a substance that is made from two or more simpler substances and can be broken down into simpler substances
What is compound
300
Ability to burn in the presence of oxygen
What is flammability
300
zinc heated in the Bunsen Burner
What is physical change
300
a mixture of salt and water
What is evaporation
300
sugar water
What is a solution
400
a heterogeneous mixture that separates into layers over time
What is suspension
400
Potassium metal is kept submerged in oil to prevent contact with oxygen or water.
What is reactivity
400
solution of copper nitrate and sodium hydroxide form a precipitate
What is chemical change
400
a mixture of oil and water
What is separating funnel
400
"shake well before drinking"
What is a suspension
500
the tendency of a liquid to keep from flowing (resistance to flowing)
What is viscosity
500
the property used to identify an unknown solid using volume and mass
What is density
500
Name ALL the types of evidence a chemical change occured
What is precipitation, burning, bubbles (or gas), color change
500
a mixture of iron shavings, sugar, and salt.
What is magnetism, filtration, and evaporation
500
Milk
What is a colloid
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Chemistry Unit 2 Properties of Matter
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