Chemistry Unit 1

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28 Terms

1
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A sample of matter composed entirely of a single type of atom
Element
2
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Another term for "homogeneous mixture"
solution
3
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A sample of matter composed of two or more different types of atoms bonded together the same way throughout the entire sample
mixture
4
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A mixture which does NOT have a uniform composition throughout
heterogeneous mixture
5
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Compounds or elements
pure substances
6
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Reacts well with water and oxygen in the air
?
7
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A change in matter which does NOT include a change in the identity of the substance(s) involved
physical change
8
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A change in matter which includes a change in the identity of the substance(s) involved
chemical change
9
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Color, density, mass, odor
physical properties
10
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A sample of matter which is composed of two or more elements and/or compounds mixed together
mixture
11
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A mixture which has a uniform composition throughout
homogeneous mixture
12
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what type of matter is gold
element
13
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what type of matter is hydrogen
element
14
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what type of matter is a salad
heterogeneous mixture
15
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what type of matter is iron sulfide
compound
16
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what type of matter is tomato juice with pulp
heterogenous mixture
17
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what type of matter is a clear mixture of water and solute
solution
18
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what type of matter is any metal alloy
homogeneous mixture
19
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what property volume of a liquid
physical property
20
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what property is flammable
chemical property
21
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what type of change is burning
chemical change
22
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what type of change is rusting
chemical change
23
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what type of change is rusting
physical change
24
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what type of change is corrosion
chemical change
25
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What exhibit solute particles which collect at the bottom of the container, much like Italian salad dressing, or calming bottles?

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suspensions
26
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Which of the following is considered a homogeneous mixture?

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solutions
27
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Which of the following exhibit the Tyndall Effect?

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colloids and suspensions
28
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A pure substance X is heated in air such that it reacts with oxygen in the air.  X does not react with any other elements or compounds.  The result is one new substance Y which is composed of three unique elements.  What can you conclude about X and Y?

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X and Y are compounds