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General Chemistry Properties and Separations
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General Chemistry Properties and Separations
General Chemistry Properties and Separations
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1
Question
What is matter defined as in general chemistry?
Answer
Anything that occupies space and has mass
2
Question
How is melting point defined?
Answer
Temperature at which a solid becomes a liquid
3
Question
What describes freezing point?
Answer
Temperature at which a liquid becomes a solid
4
Question
What is mass a measure of?
Answer
Amount of matter in an object
5
Question
What is boiling point?
Answer
Temperature at which a liquid evaporates
6
Question
How is weight calculated?
Answer
Mass × gravitational force (weight = mass × g)
7
Question
What is solubility?
Answer
Ability of a solute to dissolve in a solvent
8
Question
What are metallic properties?
Answer
Qualities observed in metals, including conductivity, malleability, and ductility
9
Question
How is conductivity defined in metals?
Answer
Ability of a material to conduct heat or electricity
10
Question
What is malleability?
Answer
Ability to be flattened into thin sheets
11
Question
What is ductility?
Answer
Ability to be drawn into wires
12
Question
What is volume a measure of?
Answer
Amount of space occupied by matter
13
Question
How is density defined?
Answer
Mass per unit volume
14
Question
What is an intensive property?
Answer
Propety that does not depend on amount of matter
15
Question
What is solubility a key property of?
Answer
Matter dissolved in a solvent
16
Question
What is a chemical property?
Answer
A property observed during a chemical change
17
Question
What is biodegradability?
Answer
Capacity of a material to decompose by microorganisms
18
Question
What is combustion?
Answer
Chemical reaction with oxygen producing heat/light
19
Question
What is combustibility?
Answer
Ability of a material to burn
20
Question
What is flammability?
Answer
Ability of a material to catch fire
21
Question
What does reactivity refer to in chemistry?
Answer
Tendency to undergo chemical reaction
22
Question
What is the modern view of the periodic table regarding reactivity?
Answer
Fluorine is highly reactive; noble gases are mostly unreactive
23
Question
What are intensive element groups on the periodic table?
Answer
Metals, nonmetals, metalloids
24
Question
Where are metals located on the periodic table?
Answer
Left side (including the metals block)
25
Question
Where are nonmetals located on the periodic table?
Answer
Right side of the periodic table
26
Question
What is a metalloids position on the periodic table?
Answer
Along the staircase line between metals and nonmetals
27
Question
What defines a pure substance?
Answer
Fixed or definite composition
28
Question
What defines a mixture?
Answer
Combination of two or more substances physically combined
29
Question
What are the two main classifications of mixtures?
Answer
Homogeneous and heterogeneous
30
Question
What is a homogeneous mixture?
Answer
Uniform composition throughout