stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chem 9 Final Review Flashcards | StudBud
Explore
/
Chem 9 Final Review
Chem 9 Final Review
36 terms
·
StudBud Administration
·
168 plays
Freshman #Chemistry Final Exam Review
Flashcards
36 cards
F
Practice quiz
P
Host live
L
Questions
36
Answers
1
TEST QUESTION:
Choose your current grade level.
Junior (11)
Freshman (9)
Senior (12)
Sophomore (10)
2
What coefficients balance this equation: P + O
2
--> P
4
O
10
(5, 3, 1)
(4, 5, 1)
(4, 2, 1)
(2, 4, 2)
3
The period number indicates the...
number of electrons for those elements
number of protons for those elements
similar properties of those elements
available number of orbitals for those elements
4
What is a scientific theory?
something from The Big Bang Theory.
A guess of why things are the way they are.
A well-tested explanation for observations and results.
An explanation that is can be proven true 100% of the time.
5
An
endothermic
reaction...
only happens in space
releases energy
does not absorb or release energy
absorbs energy
6
Which of the following is a physical change?
Burning cardboard
Rust on a car
Breaking a window
Leaves changing color
7
Which of the following is NOT a characteristic of the noble gases?
extremely unreactive
odorless
highly reactive
colorless
8
Chemistry is defined as the study of...
the origin, history, and structure of Earth
all living things
how matter and energy interact through forces
composition, structure, properties, and reactions of matter
9
Which of the following is an element?
Magnesium
Steel
Bronze
Salt
10
This scientist was a philosopher, and the first to say matter is made of indivisible particles.
J.J. Thomson
Ernest Rutherford
Democritus
John Dalton
11
What are the correct coefficients needed to balance the following equation? Li + O
2
--> Li
2
O
(2, 1, 4)
(2, 3, 2)
(4, 1, 2)
(2, 1, 2)
12
The law of conservation of mass states that in a chemical reaction…
mass is created, but not destroyed.
mass is neither created nor destroyed.
mass is created and destroyed.
mass is not created, but sometimes destroyed.
13
This Russian chemist and teacher discovered a way to classify and organize the elements.
Dmitri Mendeleev
Kristaps Porzingis
Charles Boyle
Neils Bohr
14
Which of the following subatomic particles are NOT found in the nucleus?
electron
neutron
proton
15
This scientist said electrons were found in different energy levels orbiting the nucleus.
John Dalton
Mr. Rauch
J.J. Thomson
Neils Bohr
16
Choose which of the following is a
homogeneous
mixture.
Kool-Aid
Rocky Road ice cream
Beach sand
Campbell's vegetable soup
17
This scientist said an atom had negatively charged particles in a positively charged mass.
Neils Bohr
John Dalton
J.J. Thomson
Albert Einstein
18
Which substance has the higher
viscosity?
water
Mountain Dew
syrup
gasoline
19
Choose the correct formula for the compound
tricarbon pentafluoride
.
C3O5
C4O5
C3F5
CF3
20
What type of reaction is the following: 3KOH + H
3
PO
4
--> K
3
PO
4
+ 3H
2
O
synthesis
combustion
double replacement
single replacement
21
List the reactants in the following equation: 2Na + Cl
2
--> 2NaCl
NaCl
Na, Cl2
Na, Cl2, NaCl
Na
22
Choose the balanced equation.
Na + 2Cl2 --> NaCl
NaNO3 --> NaNO2 + O2
2Na + 2H2O --> 2NaOH + H2
3KOH + H2SO4 --> K2SO4 + 2H2O
23
Select the correct definition of
kinetic energy
.
The energy an object has from the Sun.
The energy an object has due to its shape.
The energy an object has due to its motion.
The energy an object has due to its mass.
24
Which is NOT a common indicator of a chemical change?
production of a gas
formation of a precipitate
change in shape
change in color
25
What is the atomic number of krypton?
24
84
48
36
26
These images are examples of a...
Bohr model
covalent bonding model
electron dot diagram
chemical bonding diagram
27
What is the general formula of a synthesis reaction?
AB --> A + B
AB + CD --> AD + BC
A + B --> AB
A + BC --> C + AB
28
Which state of matter has
definite volume
, but not a
definite shape?
solid
liquid
gas
air
29
A substance changing directly from a solid to a gas is referred to as...
evaporation
melting
sublimation
deposition
30
Elements that are located in the same column have...
similar properties
similar color
similar mass numbers
the same number of protons
31
Isotopes of the same element have different atomic numbers.
TRUE
FALSE
32
What is the correct name for the following compound: Cu(NO
3
)
2
chromium sulfate
copper(I) nitrite
copper(II) nitrate
cobalt nitrate
33
A gas changing to a liquid is referred to as...
freezing
condensation
evaporation
deposition
34
Which type of reaction is: Mg + 2HCl --> H
2
+ 2MgCl
2
?
decomposition
synthesis
double replacement
single replacement
35
A substance that can be hammered or bent without shattering is said to have high...
malleability
bendability
conductivity
viscosity
36
Which side of the periodic table are the nonmetals found on?
middle
bottom
left
right
