stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Physical Science Review Flashcards | StudBud
Explore
/
Physical Science Review
Physical Science Review
70 terms
·
StudBud Administration
·
122 plays
physical science review
Flashcards
70 cards
F
Practice quiz
P
Host live
L
Questions
70
Answers
1
When an atom gains an electron, it becomes
none of these
a cation
a reactant
an anion
2
You have 85.5g of Fluorine (molar mass of 19 g/mol). How many mols of fluorine do you have?
85
45
19
4.5
3
Temperature is a measure of the average _____ energy of the particles in the object.
chemical
kinetic
thermal
potential
4
Which of the following is a compound?
soup
paint
air
salt
5
Temperature is a measure of the average _____ energy of the particles in the object.
thermal
potential
chemical
kinetic
6
As you move from left to right on the periodic table, atoms:
have a lower atomic mass.
have a lower atomic number.
become less metallic
become more metallic.
7
Which SI prefix means one million?
mega-
kilo-
giga-
milli-
8
Which of these units would be used to measure the height of a bookcase
kelvin
mole
kilogram
meter
9
Goggles are worn during some labs
to protect your eyes
only if you don't already wear glasses
to improve your vision
to make you look super cool
10
Atoms of elements that are in the same group have the same number of
protons
valence electrons
protons and neutrons
neutrons
11
Atoms that gain or lose electrons are called
ions
nonmetals
isotopes
metals
12
Archimedes' principle: The buoyant force on a(n) ___equals the weight of the displaced fluid.
object floating on the fluid
object in the fluid
substance dissolving into the fluid
fluid mixing with another liquid
13
The order of elements in the modern periodic table is based on an element's
chemical symbol
atomic mass
name
atomic number
14
Which of the following elements is an alkali metal?
calcium
magnesium
mercury
sodium
15
Which of the following would be a chemical change?
melting
burning
moving
shattering
16
A chemical change occurs whenever
new substance form
objects change shaped
substances are mixed
hot objects melt
17
Which graph best shows a change in data over time?
all of these
bar graph
line graph
pie graph
18
The main branches of science are
biology, zoology, and ecology
biological, physical, and earth
physics and chemistry
medicine and agriculture
19
A subatomic particle that has a negative charge is called
an electron
compound
a molecule
element
20
The smallest unit of an element that maintains the properties of that element is
a substance
a molecule
an atom
a compound
21
Which of these is not a part of Dalton's atomic theory?
Atoms are made of electrons.
Atoms of an element are alike.
Atoms cannot be divided.
Atoms of different elements form compounds.
22
Convert 1,250 millimoles to moles.
0.125 mol
12.5 mol
1.25 mol
125 mol
23
Avagadro's number is useful for
locating an atom's electrons
none of these answers
counting atoms
counting large objects
24
Which of the following is NOT a pure substance?
mixture
molecule
compound
element
25
The three main categories of elements are metals, nonmetals, and
metalloids
alkali metals
inert gases
radioactive isotopes
26
Evaporation refers to the change of a state from a
liquid to a sold
liquid to a gas
solid to a liquid
gas to a liquid
27
Who determined that atoms could be divided?
Dalton
Thompson
Democritus
Rutherford
28
Molar mass is defined as
the number of particles in one mole of a substance
the mass in grams of one mole of a substance
the SI base unit that describes the amount of a substance
the amount of a substance necessary for a positive charge
29
Which of the following is an element?
salt
iron
nylon
sand
30
Accuracy is judged by:
the reputation of the scientist
how close a value is to the true value
none of these
the tool used to collect the measurement
31
According to the kinetic theory of matter, which of the following is true about matter
Massive particles move slower than less massive particles
all of these answers
The higher the temperature, the faster the particles move
The atoms and molecules of a substance are always in motion
32
Digesting food is an example of
change of state
chemical change
physical change
buoyancy
33
Unlike a plasma, a gas
is affected by magnetic fields
has no definite shape
does not conduct electricity
has no definite volume
34
The change of a substance from a solid directly to a gas is called
melting
evaporation
sublimation
condensation
35
SI is considered a consistent system because it
is used worldwide
used to derive units
has seven base units
dates back to 1795
36
During lab, the following must not be worn
sandals/open toed shoes
all of these
deodorant
clothes
37
You spill something in the lab, have an accident or injury. Who do you call to help?
911
security
your teacher
ghostbusters
38
Avagadro's number is defined as the number of particles in
one mole of a substance
one liter of a substance
one kilogram of a substance
one gram of a substance
39
What is an atom's nucleus made of?
only protons
only neutrons
protons and neutrons
anodes
40
In Mendeleev's periodic table, elements in each column had similar
atomic numbers
properties
atomic masses
symbols
41
Which of the following is made of at least two different types of atoms?
compound
matter
element
molecule
42
The number of energy levels filled in an atom is determined by the
neutrons
protons
electrons
photons
43
Caroline passed out during lab after smelling a chemical directly. In the future, she should
"waft to whiff"
do the same thing all over again
never participate in lab again
none of these
44
What is Mendeleev known for?
discovering protons
publishing the first periodic table
creating today's atomic model
discovering Mendelevium
45
Which is not a family of the periodic table?
alkaline-earth metals
anions
halogens
noble gases
46
According to modern atomic theory, it is nearly impossible to determine an electron's exact
position
mass
color
charge
47
After formulating a question, the next step in the scientific method is
to state a conclusion
to research and collect data
to perform an experiment
to test a hypothesis
48
Which of the following statements is
NOT
true?
neutrons have no charge
a nucleus has a positive charge
protons have a positive charge
neutrons have a negative charge
49
When ice melts to form liquid, energy is
absorbed
created
destroyed
released
50
Often atoms join so that each atom will have
an equal number of protons and electrons
an even number of electrons
more electrons than either protons or neutrons
a full valence energy level or 8 valence electrons
51
The kinetic theory states that the higher the temperature, the faster the
molecules of gas rush together
particles that make up a substance move
bonds between the atoms break down
lighter particles within a substance clump together
52
Which type of graph best shows a comparison of several items or events?
pie graph
line graph
all of these
bar graph
53
Which state of matter will hold it's shape without a container?
gas
liquid
solid
plasma
54
Which of the following statements
NOT
true?
Neutrons have a negative charge.
Protons have a positive charge
Neutrons have no charge.
A nucleus has a positive charge.
55
Which of the following is not a fluid
water
carbon dioxide
air
wood
56
Two different isotopes of an element have different
numbers of protons
numbers of neutrons
atomic numbers
numbers of electrons
57
Which of these units would be used to measure the mass of a computer?
meter
kelvin
kilogram
mole
58
All matter is made of atoms and molecules that are
always fixed in position
always in motion
moving slowly
moving in the same direction
59
True or False: It's ok to point a test tube of liquid at someone as long as it looks like water
False
True
60
A material that can be represented by a chemical formula is
a compound
a homogeneous solution
a mixture
an element
61
The chemical formula for table sugar is C
12
H
22
O
11
. How many oxygen atoms are in each molecule?
12
11
2
22
62
The first step in the scientific method is usually
making an observation
forming a hypothesis
collecting data
testing a hypothesis
63
The chemical formula for water , H
2
O, means that each water molecule contains
one hydrogen atom and two oxygen atoms
two hydrogen atoms and two oxygen atoms
two hydrogen atoms and zero oxygen atoms
two hydrogen atoms and one oxygen atom
64
The resistance of a fluid to flow is referred to as
shape
pressure
viscosity
energy
65
The order of elements in the periodic table is based on
the electric charge of the nucleus
the number of neutrons in the nucleus
atomic mass
the number of protons in the nucleus
66
Which property of a substance is
not
affected by physical changes?
position
shape
reactivity
size
67
Magnesium (Mg) is located to the right of sodium because Mg has
no protons.
no neutrons.
more protons.
fewer protons.
68
A mole is an SI base unit that describes the
volume of a substance
amount of a substance
electric charge of a substance
mass of a substance
69
An atom's mass number equals the number of
protons
neutrons
protons plus the number of electrons
protons plus the number of neutrons
70
Atoms have no charge because:
have neutrons in their nuclei.
have an equal number of neutrons and protons.
All of these are correct.
have an equal number of electrons and protons
