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Chemistry Chapter 1 Flashcards | StudBud
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Chemistry Chapter 1
Chemistry Chapter 1
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Ch 1 Review
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Answers
1
Matter includes all of the following except
water vapor
air
light
smoke
2
Which of the following are metals
He
Li
H
Be
3
Chemistry is
concerned with living things
the study of electricity
a biological science
a physical science
4
Which of the following is an intensive physical property?
color
mass
length
volume
5
The branch of chemistry that includes the study of materials and processes in living things is
biochemistry
physical chemistry
organic chemistry
analytical chemistry
6
Which statement is not true of most metalloids
have characteristics of metals and nonmetals
they are generally unreactive
the are used in computers and calculators
they are semiconductors of electricity
7
There are __________ metals than nonmetals.
less
more
8
The state of matter in which a material has a definite volume but no definite shape is
solid
liquid
gas
9
Chemical properties
include changes of state of a substance
can be observed without altering the identity of substance
include changes that alter the identity of substance
include mass and color
10
A list of pure substances could include
vinegar (5% acetic acid)
sea water
bread dough
vitamin C (ascorbic acid)
11
Cereal is an example of a ......... Mixture?
Heterogeneous
Cereal
Milk
Homogeneous
12
Identify the diatomic molecules....
D, B and F
C and F
A, E and C
D and B
13
The state of matter in which a material has definite shape and definite volume is
gas
vapor
solid
liquid
14
what is a monatomic element?
an element that is not shiny and has poor conductivity
a property that does not depend on the amount of matter
an element consisting of single atoms only
a molecule composed of only two nonmetal atoms
15
How many monatomic elements are there?
2
6
4
8
16
The particles in a solid are
very far apart
constantly moving
able to slide past each other
packed closely together
17
Under ordinary conditions of temperature and pressure, the particles in a gas are
held in fixed positions
able to slide past each other
very far apart from each other
closely packed
18
A chemical change occurs when
salt deposits form from evaporated sea water
leaf changes color
ethanol is purified through distillation
dissolved minerals solidify to form a crystal
19
The study of matter and changes in matter best describes the science of
biology
chemistry
physics
microbiology
20
Which of the following can be classified as a mixture?
pure air
pure water
pure nitrogen
pure gold
21
An example of an extensive property is
boiling point
density
color
mass
22
What type of mixture is this?
Homogeneous
Tasty mixture
Heterogeneous
tom
23
Is the compound 0
2
monatomic or diatomic?
monatomic
diatomic
24
Chemistry may be most useful in studying
why materials corrode
streamlining of cars
eating habits of ducks
the movement of asteroids
25
Elements that border the zigzag line in the periodic table are
inactive
metals
nonmetals
metalloids
26
A physical change occurs when a
bracelet turns your wrist green
glue gun melts glue stick
peach spoils
copper bowl tarnishes
27
The study of substances containing carbon is
inorganic chemistry
nuclear chemistry
organic chemistry
analytical chemistry
28
Which is an example of a diatomic molecule?
sulphur
argon
hydrogen
helium
29
Which is not a property of metals
ability to conduct heat and electricity
unreactivity
malleability
tensile strenght
30
Is air a mixture?
Yes
No
31
The state of matter in which particles are rigidly held in fixed positions is the
gas
solid
liquid
32
Two features that distinguish matter are
weight and velocity
weight and volume
mass and volume
mass and velocity
33
The state of matter in which a material is most likely to resist compression is
gas
solid
vapor
liquid
34
A horizontal row of blocks on the periodic table is called
group
octet
period
family
35
Which atom is Monatomic?
Ho
At
Rn
Be
36
Chemistry is the study of all except
changes in matter
matter
projectile motion
energy changes in matter
37
An example of a chemical change is
melting ice
milk going sour
sanding wood
vaporizing gasoline
38
The substances that are chemically bound together are
the elements that compose water
dust particles in the air
the gases in the air
substances in blood
39
Physical means can be used to separate
mixtures
elements
pure substances
compounds
40
Which of the following is a Mixture?
Helium
Air
Oxygen
Nitrogen
41
The melting of candle wax is a physical change because it
changes the chemical properties of wax
produces no new substances
transfers energy
absorbs heat
42
Which of the following is a Mixture?
Potassium
Fluorine
Sand
Carbon Dioxide
43
The state of matter in which a material has neither definite shape or volume
gas
liquid
solid
44
Elements in a group can be expected to have similar
properties
atomic masses
atomic numbers
numbers of neutrons
45
Chemistry may be least useful in studying
matter
synthetic fibers
falling bodies
medicine
46
A physical property may be investigated by
burning wood
letting milk turn sour
allowing silver to tarnish
melting ice
