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Duplicate of General Chemistry Sem1 Final Review Flashcards | StudBud
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Duplicate of General Chemistry Sem1 Final Review
Duplicate of General Chemistry Sem1 Final Review
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Chemistry review for the first semester in general chemistry. #chemistry #review
Flashcards
41 cards
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Practice quiz
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Questions
41
Answers
1
Does taking notes help improve your score on your test? What would the independent variable be?
taking notes
whether or not you like your teacher
grade on the test
number of students
2
What is the correct noble gas configuration for silicon?
[Ar]3s23p4
[Ar]3s23p2
[Ne]3s23p4
[Ne]3s23p2
3
The number of neutrons + the number of protons tells us what about the atom?
atomic mass
identity
number of electrons
atomic number
4
What is the correct formula for cobalt (II) hydroxide?
CH2
Co2OH
CoOH2
Co(OH)2
5
Which of the following numbers is written correctly?
10.47x10-1
0.57x105
4.348x10-4
6
Which sub-level can hold 10 electrons?
d
f
p
s
7
Which of the following has a larger atomic radius?
K
Ca
Sr
Rb
8
Which of the following elements has 5 valence electrons?
Potassium
Aluminum
Krypton
Arsenic
9
How many protons are in an element of cobalt?
54
27
32
12
10
Which wave has the highest frequency?
green
red
orange
purple
11
How many atoms are there in 2 molecules of CuSO
4
?
7
6
8
12
12
What is the formula for potassium nitrate?
KNO2
KNO3
KN3O2
K2NO
13
Which of the following is a correct orbital diagram?
B
C
E
A
14
Which of the following are
NOT
examples of a physical property?
pH
density
boiling point
color
15
If the frequency of a wave is 4.53x10
2
Hz, what is the wavelength?
1.36x1011
6.62x105
6.62x109
16
What is the density of an object that has a mass of 4.5 grams and a volume of 12 cm
3
?
54 g/cm3
2.7 g/cm3
0.38 g/cm3
17
Which of the following are isotopes?
C-12 & C-14
N-14 & O-14
Co-56 & Cu-56
Pb-224 & Sb-224
18
How many milliliters are in this graduated cylinder?
36
36.7
36.75
37
19
Which element will gain an electron to become an ion?
S
Rb
Ga
Mg
20
What is the oxidation number of an boron atom?
+3
-3
+5
+13
21
How many electrons can be in one orbital?
10
1
6
2
22
Which of the following is a liquid at room temperature?
Hg
Au
F
Kr
23
Which of the following are in the nucleus?
neutron
proton
electron
proton and neutron
24
Describe the picture as either accurate, precise, both, or neither.
Both
Neither
precise but not accurate
Accurate but not precise
25
How many electrons are in xenon?
77
131
54
185
26
What is the difference between isotopes?
# of neutrons
# of electrons
# of protons
27
Write lead-204 using the correct symbol.
82122Pb
82204Pb
20482PB
20482Pb
28
What color has the smallest wavelength?
orange
yellow
blue
violet
29
How many neutrons are in O-18?
16
18
10
8
30
Which element has the electron configuration 1s
2
2s
2
2p
6
3s
1
?
potassium
lithium
magnesium
sodium
31
What is the shape of carbon dioxide (CO
2
)?
tetrahedral
triganal planar
bent
linear
32
Alkali metals will gain/lose how many electrons to become a noble gas?
gain 1 electron
lose 2 electrons
gain 2 electrons
lose 1 electron
33
What scientist discovered the electron using a cathode ray tube?
John Dalton
Ernest Rutherford
J. J. Thompson
Niehls Bohr
34
Which of the following describes a Group 18 element?
Alkali Metal
Alkaline Earth Metal
Noble Gas
Halogen
35
How many electrons are in a double bond?
1
4
8
2
36
What is chemistry?
All of the answers.
My favorite subject ever.
The Class I am in right now.
Branch of Science dealing with the interactions of matter
37
What is the process called when a solid object goes directly to being a gas?
melting
sublimation
boiling
deposition
38
Light is emitted when...
an electron goes from ground state to excited state
when a proton goes from the excited state to ground state
when a proton goes from ground state to an excited state
an electron goes from an excited state to ground state
39
How many sub-levels are there in the 4th energy level?
3
8
4
2
40
Which of the following is a compound?
Bromine
Arsenic
Zirconium
Water
41
What is the smallest particle of an element that retains the property of that element?
atom
neutron
proton
electron
