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General Chemistry Sem1 Final Review Flashcards | StudBud
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General Chemistry Sem1 Final Review
General Chemistry Sem1 Final Review
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Chemistry review for the first semester in general chemistry.
Flashcards
38 cards
F
Practice quiz
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Host live
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Questions
38
Answers
1
Which of the following has a larger atomic radius?
Rb
Ca
Sr
K
2
Describe the picture as either accurate, precise, both, or neither.
Both
Accurate but not precise
Neither
precise but not accurate
3
How many electrons are in a neutral atom of xenon?
185
77
54
131
4
What is chemistry?
Branch of Science dealing with the interactions of matter
All of the answers.
The Class I am in right now.
My favorite subject ever.
5
Which element has the electron configuration 1s
2
2s
2
2p
6
3s
1
?
sodium
potassium
lithium
magnesium
6
How many atoms are there in CuSO
4
?
12
6
7
8
7
Which rule states that e
-
must fill the lower energy sub-levels before higher energy orbitals?
Hund's Rule
Pauli's Exclusion Principle
Mr. Jorgensen says so
Aufbau Principle
8
Which of the following describes a Group 18 element?
Halogen
Noble Gas
Alkaline Earth Metal
Alkali Metal
9
Which of the following has a polar covalent bond?
MgBr
N2
O2
H2O
10
What is the difference between two isotopes?
# of protons
# of electrons
# of neutrons
11
What is the shape of carbon dioxide (CO
2
)?
linear
triganal planar
bent
tetrahedral
12
How many sub-levels are there in the 4th energy level?
8
2
4
3
13
What is the shape of a p-orbital?
sphere
flower
peanut
double peanut
14
Alkali metals will gain/lose how many electrons to become a noble gas?
lose 1 electron
gain 2 electrons
gain 1 electron
lose 2 electrons
15
Which of the following is a chemical change?
rusting
crushing
dissolving
phase change
16
Which of the following are
NOT
examples of a physical property?
density
ductility
boiling point
flamability
17
What is the process called when a solid object goes directly to being a gas?
melting
deposition
boiling
sublimation
18
Which of the following is an exothermic process?
combustion
melting
sublimation
boiling
19
How many milliliters are in this graduated cylinder?
36
36.7
37
36.75
20
What is the correct formula for cobalt (II) hydroxide?
Co2OH
CH2
CoOH2
Co(OH)2
21
What is the charge of a stable boron ion?
-3
+5
+13
+3
22
Which sub-level can hold 10 electrons?
s
f
d
p
23
Which of the following are isotopes?
C-12 & C-14
Pb-224 & Sb-224
N-14 & O-14
Co-56 & Cu-56
24
The number of neutrons + the number of protons tells us what about the atom?
number of electrons
atomic mass
identity
atomic number
25
Write lead-204 using the correct symbol.
20482PB
82204Pb
20482Pb
82122Pb
26
How many neutrons are in O-18?
18
16
10
8
27
Which element will gain an electron to become an ion?
Ga
Mg
S
Rb
28
Sally decides to start a fire in her fireplace. The firewood is undergoing a....
chemical change
chemical property
physical change
physical property
29
How many protons are in an element of cobalt?
54
12
32
27
30
Light is emitted when...
an electron goes from ground state to excited state
an electron goes from an excited state to ground state
when a proton goes from the excited state to ground state
when a proton goes from ground state to an excited state
31
What is the formula for potassium nitrate?
KNO3
KN3O2
K2NO
KNO2
32
What is the smallest particle of an element that retains the property of that element?
proton
electron
atom
neutron
33
Which of the following elements has 5 valence electrons?
Aluminum
Potassium
Krypton
Arsenic
34
How many electrons can be in one orbital?
10
2
6
1
35
How many electrons are in a double bond?
4
2
8
1
36
Which of the following is a compound?
Arsenic
Zirconium
Bromine
Water
37
Which of the following is a characteristic of a metal?
all of the answers
ductile
luster
malleable
38
Which of the following are in the nucleus?
electron
proton
proton and neutron
neutron
