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Chemistry Chapter 1 Flashcards | StudBud
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Chemistry Chapter 1
Which statement is not true of most metalloids
A physical change occurs when a
Chemistry Chapter 1
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Ch 1 Review
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Answers
1
A physical change occurs when a
peach spoils
copper bowl tarnishes
glue gun melts glue stick
bracelet turns your wrist green
2
Which statement is not true of most metalloids
they are semiconductors of electricity
have characteristics of metals and nonmetals
the are used in computers and calculators
they are generally unreactive
3
The branch of chemistry that includes the study of materials and processes in living things is
biochemistry
analytical chemistry
organic chemistry
physical chemistry
4
Under ordinary conditions of temperature and pressure, the particles in a gas are
closely packed
very far apart from each other
able to slide past each other
held in fixed positions
5
A list of pure substances could include
bread dough
vinegar (5% acetic acid)
vitamin C (ascorbic acid)
sea water
6
The state of matter in which a material has a definite volume but no definite shape is
liquid
gas
solid
7
Two features that distinguish matter are
mass and velocity
weight and velocity
mass and volume
weight and volume
8
Elements that border the zigzag line in the periodic table are
inactive
metals
metalloids
nonmetals
9
An example of an extensive property is
color
boiling point
mass
density
10
The state of matter in which a material has neither definite shape or volume
liquid
solid
gas
11
Chemistry is the study of all except
changes in matter
projectile motion
energy changes in matter
matter
12
The state of matter in which a material is most likely to resist compression is
vapor
liquid
gas
solid
13
The study of matter and changes in matter best describes the science of
microbiology
biology
chemistry
physics
14
A horizontal row of blocks on the periodic table is called
family
octet
group
period
15
Which is not a property of metals
malleability
ability to conduct heat and electricity
tensile strenght
unreactivity
16
A chemical change occurs when
leaf changes color
ethanol is purified through distillation
salt deposits form from evaporated sea water
dissolved minerals solidify to form a crystal
17
Physical means can be used to separate
pure substances
mixtures
elements
compounds
18
An example of a chemical change is
sanding wood
melting ice
milk going sour
vaporizing gasoline
19
Chemical properties
include mass and color
include changes of state of a substance
include changes that alter the identity of substance
can be observed without altering the identity of substance
20
Matter includes all of the following except
air
smoke
light
water vapor
21
The state of matter in which particles are rigidly held in fixed positions is the
gas
solid
liquid
22
Which of the following is an intensive physical property?
volume
mass
color
length
23
Elements in a group can be expected to have similar
atomic masses
properties
atomic numbers
numbers of neutrons
24
Chemistry may be most useful in studying
the movement of asteroids
streamlining of cars
why materials corrode
eating habits of ducks
25
The state of matter in which a material has definite shape and definite volume is
vapor
gas
liquid
solid
26
The melting of candle wax is a physical change because it
changes the chemical properties of wax
produces no new substances
absorbs heat
transfers energy
27
Chemistry is
a biological science
concerned with living things
the study of electricity
a physical science
28
A physical property may be investigated by
letting milk turn sour
burning wood
melting ice
allowing silver to tarnish
29
Chemistry may be least useful in studying
medicine
matter
falling bodies
synthetic fibers
30
The study of substances containing carbon is
inorganic chemistry
nuclear chemistry
analytical chemistry
organic chemistry
31
The particles in a solid are
able to slide past each other
packed closely together
constantly moving
very far apart
32
The substances that are chemically bound together are
the elements that compose water
substances in blood
the gases in the air
dust particles in the air