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Chemistry BJU CH. 1 & 2 Midterm Review Game Flashcards | StudBud
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Chemistry BJU CH. 1 & 2 Midterm Review Game
Chemistry BJU CH. 1 & 2 Midterm Review Game
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1
Scientific _______ are physical, descriptive, or mathematical representations that characterize a system.
observations
laws
models
theories
2
The amount of matter packed into a given volume determines its
density
ductility
mass
color
3
A log burns and evaporates water in a kettle. What kind of change does this exhibit?
both chemical & physical
neither physical nor chemical
chemical
physical
4
The freezing point of nitrogen is -210 degrees C. What could that temperature be in kelvins?
148 K
-63 K
483 K
63 K
5
Produces a gas when mixed with an acid
physical property
chemical property
6
A charged atoms is called a(n)
isotope
compound
ion
element
7
Which of these is a physical property?
explosive
will corrode in a presence of an acid
reacts violently with water
magnetic
8
pure water
polyatomic element
compound
homogeneous mixture
heterogeneous mixture
9
The scientific method, when used properly, can lead a person to determine absolute truth.
True
False
10
sweetened tea
heterogeneous mixture
compound
homogeneous mixture
polyatomic element
11
Vaporizes at 3000 degrees C
chemical property
physical property
12
Chemistry is the study of chemicals; that is, the study of all energy and the changes that it undergoes.
False
True
13
This type of mixture, like orange juice, has to be shaken because they are suspensions and can settle out.
insoluble
heterogeneous
soluble
homogeneous
14
Which of the following is not a type of qualitative data?
mass
color
hardness
texture
15
The term science comes from the Latin word for
brain
first
knowledge
reason
16
Hydrogen peroxide (H
2
O
2
) is a
diatomic element
homogeneous mixture
polyatomic element
compound
17
How many hydrogen atoms are in this chemical formula? 2H
2
O
2
3
1
4
18
Rusts in humid air
physical property
chemical property
19
Oxygen (O
2
) is a
heterogeneous mixture
diatomic element
polyatomic element
monatomic element
20
The Greeks desired knowledge rather than practical skills.
False
True
21
Arguments that begin with known facts and proceed to general conclusions.
faulty reasoning
deductive reasoning
neither form of reasoning
inductive reasoning
22
iron, Fe
compound
homogeneous mixture
heterogeneous mixture
monatomic element
23
Oxygen, O
2
polyatomic element
monatomic element
homogeneous mixture
diatomic element
24
Which of these is not a physical property?
colorless
freezes at 21.15 degrees C
flammable
poor conductor of electricity
25
Ozone, O
3
polyatomic element
diatomic element
compound
heterogeneous
26
The Creation Mandate is given in the book of
Luke
Psalms
Revelation
Genesis
27
What is a scientific hypothesis?
previously established fact
general, inductive approach to discovering truth
simple, testable statement of a prediction based on available information
scientific law
28
What are the smallest basic particles of an element?
molecules
electrons
atoms
ions
29
The amount of energy required to raise the temperature of 1 gram of water 1 degree Celsius is defined as a
BTU
Calorie
kilocalorie
calorie
30
Arguments from general, accepted statements called premises to more specific conclusions.
inductive reasoning
faulty reasoning
neither form of reasoning
deductive reasoning
31
A detailed qualitative and quantitative analysis of a material would most often be described as what kind of chemistry.
analytical
spectroscopic
inorganic
organic
32
What kind of change results in a new substance being formed?
molecular
physical
chemical
elemental
33
Dry ice has a temperature of 196 K. What is the temperature of dry ice on the Celsius scale?
-77 C
-95 C
-71 C
-92 C
34
Melts in a very hot flame
physical property
chemical property
35
Qualitative descriptions do not usually involve the use of numbers.
True
False
36
Which of the following is not one fo the six common forms of energy?
chemical
laser
nuclear
mechanical
37
All of matter can be divided into two categories, pure substances and
impure substances
mixtures
none of these
compounds
38
Matter is anything that occupies space and has mass.
False
True
39
In the formula Mg(OH)
2
, the numeral 2 is called a
base number
superscript
subscript
coefficient
40
The mass of a crystal as measured on a balance would be an example of what kind of data.
qualitative
deductive
quantitative
subjective
41
chocolate bar with nuts
homogeneous mixture
compound
heterogeneous mixture
diatomic element
42
How many atoms of sulfur are present in 2Al
2
(SO
4
)
3
?
6
12
1
3
43
What is the name given to an inductive approach to finding information about our universe?
hypothesis
scientific method
experimentation
theory
44
Everything in the material universe is composed of chemicals.
True
False
45
The temperature outside is 87 degrees F. What is that temperature in degrees C?
31
47
42
35
