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Chemistry Honors
Chemistry Honors
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Ms.Nguyen
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83 cards
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Practice quiz
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Questions
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Answers
1
Mn
2
(SO
3
)
3
Manganese (III) Sulfite
Manganese (V) Sulfite
Magnesium (III) Sulfite
Manganese (II) Sulfite
2
Write the following in scientific notation: 0.000457
4.57 x 10 4
4.57 x 10-3
4.57 x 10 -4
4.57 x 10 -3
3
How many significant figures is in this number: 0.0040670
4
5
7
3
4
12 kilometers is equivalent to how many millimeters?
1.2 x 107
1.2 x 106
1.23 x 107
1.2 x 105
5
hexasilicon tetraoxide
Si6O4
SO
Si7O4
Si6O3
6
Name the following polyatomic ion : OH
-
Bicarbonate
Cyanide
Acetate
Hydroxide
7
Na(C
2
H
3
O
2
)
Sodium Carbonate
Disodium acetate
Nickel Acetate
Sodium Acetate
8
Why does the 4s orbital get filled before the 3d orbital?
e- in the 4s are higher in energy than those in the 3d
IDK? :(
None of the above
e- in the 4s are lower in energy than those in the 3d
9
Which element has 47 protons, 60 neutrons, 46 electron
Ag2+
Ag-
Ag+
Ag2-
10
Selenium Trioxide
SO
SeO
SeO3
Se2O
11
P
2
O
5
Phosphorus Pentoxide
Phosphorus Oxide
Triphosphorus Pentoxide
Diphosphorus Pentoxide
12
Al
2
O
3
Aluminum II Oxide
dialuminum trioxide
dialuminum oxide
Aluminum Oxide
13
How many valence electrons are in the following element? 1s
2
2s
2
2p
6
3s
2
3p
3
3
15
2
5
14
1 x 10
-9
g is equivalent to which of the following quantities?
1 microgram
1 nanogram
1 Gigagram
1 milligram
15
Which of the following is a physical change?
hair spray combustion
magnesium strip burning
rusting
tearing paper
16
What's your favorite subject?
Chemistry H
History
Religion
Math
17
What is the density of the irregularly shaped object shown?
7.2 g/cm3
4.5 g/cm3
1.34 g/cm3
5.2 g/cm3
18
What is a homogenous mixture?
The composition is uniform throughout
IDK? :(
The composition is not uniform throughout
Contains two or more elements in a definite ratio.
19
H
2
O
2
Dihydrogen dioxide
Hydrogen Oxide
Dihydro oxide
Trihydrogen dioxide
20
How many energy levels are there?
2
6
7
10
21
Can a mixture be separated?
Maybe? :\
No
Yes
Sometimes
22
Which of the following pairs are isotopes of the same element?
15 9X and 168 X
126 X and 146X
157 X and 168 X
158 X and 157 X
23
Name the following: Ag
2
O
Silver Oxide
Disilver oxide
Silver III Oxide
Silver II Oxide
24
CCl
4
Carbon dichloride
Carbon Chloride
Carbon Tetrachloride
Carbon trichloride
25
Longer wavelengths have high frequency, and thus have more energy
False
True
26
Name the following polyatomic ion : NO
3
-
Nitrite
Nitrogen oxide
Nitrate
Nitride
27
Which of the following elements is an Alkaline Earth metal?
Lithium
Magnesium
Titanium
Boron
28
If the frequency a microwave is 2.5 x 10
9
Hz, what is the
λ
in meters of the radiation?
1.2 x 10-2 m
1.25 x 10-1 m
1.2 x 10-1 m
1.6 x 10-1 m
29
Name the following polyatomic ion : ClO4
-
Carbonate
Chlorate
Chlorite
Perchlorate
30
Highest final temperature? 1)Aluminum: 0.897 2)Gold: 0.129 3) Iron: 0.452
Gold
Iron
IDK :(
Aluminum
31
The first ionization energy for elements in group 1 is very _____?
Medium
None of the above
Low
High
32
What is potential energy?
stored energy due to composition or position
energy due to motion
IDK :(
energy obtained by light
33
Which of the following has the lowest energy
Radio
Gamma
UV
IR
34
Which of the following is a Halogen?
Nitrogen
Phosphorus
Iodine
Boron
35
True of False: Metals are ductile, malleable, and have high melting/boiling pt.
True
False
36
Which of the corresponding element has: 8 protons, 8 neutrons, and 10 electrons?
O1-
O2-
S2-
O
37
What is the purpose of the following device?
measure the malleability of a sample
measure the electrical conductivity of a sample
measure the wavelength of light emmitted by a sample
measure the amount of energy in a sample
38
Gallium Arsenide
GaAs
Ga3As
Ga2As
GaAs2
39
An atom of zinc has a mass number of 65. How many neutrons are in the nucleus?
25
35
60
65
40
______ is the number of times the crests of a wave pass a stationary point in one second.
Wavelength
Energy
Trough
Frequency
41
Name the following : Zn
3
N
2
Zinc Nitride
trizinc dinitride
Zinc IV Nitride
Zinc III Nitride
42
Name the following: Cu
3
P
Tricopper Phosphide
Copper Phosphide
Copper (I) Phosphide
Copper II Phosphide
43
The s sublevel has how many orbitals?
0
3
1
5
44
Which of the following is a metal?
Beryllium
Sulfur
Chlorine
Fluorine
45
When 1 gram of fuel burns, 48,000 J are released. What is this energy expressed in calories?
11 cal
9 cal
12 cal
10 cal
46
NH
4
(HSO
4
)
Ammonium sulfide
Ammonium sulfate
Ammonia bisulfate
Ammonium bisulfate
47
True of False: Nonmetals are shiny, malleable, and ductile.
False
True
48
Which of the following is the chemical formula for ammonium phosphate?
(NH4)3PO2
(NH4)3PO4
(NH4)2PO4
(NH4)3PO3
49
True or False: Wavelength and frequency have an inverse relationship
True
False
50
An atom of zinc has a mass number of 65. How many protons are in the nucleus?
35
31
65
30
51
When an electron falls back down an energy level, what happens?
the electrons can never leave its respective energy level
nothing happens
a photon is absorbed?
a photon is emitted
52
Which of the following element has the biggest atomic radius?
Chlorine
Bromine
Iodine
Fluorine
53
Choose the appropriate abbreviated electron configuration for Sulfur.
[Ne] 3s2 3p5
[He] 2s2 2p5
[Ne] 3s² 3p⁴
1s22s22p63s23p3
54
What is the mass number of a zinc atom that has 37 neutrons?
67
21
35
30
55
Which color has the lowest frequency?
Red
Blue
PINK!
Orange
56
Name the following polyatomic ion : HSO
4
-
Sulfite
bisulfite
Bisulfate
phosphite
57
K
2
S
potassium sulfate
Potassium Sulfide
dipotassium sulfide
tripotassium sulfide
58
A neutral atom of Calcium has how many electrons?
19
20
17
18
59
An atom has 14 protons and 20 neutrons. What element is this?
Boron
Phosphorus
Carbon
Silicon
60
Which of the following is a physical change?
water boiling
burning coal
rusting
lighting a match
61
Aluminum typically wants to ______ electrons.
Gain 3 electrons to become an anion
Lose 3 electrons to become a cation
Gain 3 electrons to become a cation
Lose 3 electrons to become an anion
62
True or false: The mass of the atom is due predominantly to protons and electrons?
True
False
63
Which of the following is an example of a chemical change?
Melting of ice
Boiling of water
chopping onions
Rusting of steel wool
64
Aluminum is a ____?
NONE!
Metalloid
Metal
Nonmetal
65
Which element has: 8 protons, 8 neutrons, 8 electrons
Fluorine
Oxygen
Boron
Sulfur
66
What happens when an electron absorbs a photon of energy?
IDK?
becomes excited and moves to another energy level
nothing happens since you can't excite electrons
goes back to its ground state
67
Which of the following is a mixture?
Bromine
orange juice with pulp
Carbon
Hydrogen
68
dihydrogen monoxide
OH4
OH3
OH
H2O
69
The second ionization energy for elements in group 2 is very high.
IDK
IDK
True
False
70
True or False: Longer wavelengths have low frequency, and thus have less energy
False
True
71
What is the electron configuration for Chlorine?
1s2 2s2 2p6 3s2 3p3
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s2 3p4
1s2 2s2 2p6 3s2 3p5
72
Which of the following hydrocarbon has this structure?
Pentane
Hexane
Octane
Heptane
73
Name the following polyatomic ion : Cr
2
O
7
2-
Dichromate
Permanganate
Chromate
Phosphite
74
Every element has its own emission spectra. True or False?
True
Sometimes?
IDK D:
False
75
What are the four different subshells, in order from least energy to highest energy?
S<D<F<P
S<F<D<P
S < P < D < F
S<P<F<D
76
Which color has the highest frequency?
Orange
Red
Violet
PINK!
77
An electron falls from the third energy level to the second energy level
Absorb a photon
Emit a photon
None of the above
Doesn't absorb or emit
78
Which of the following is the expanded electron configuration for Bromine?
[Ne] 4s2 3d10 4p5
[Ar] 4s2 3d10 4p5
[Ar] 4s2 3d10 4p6
[Ne] 4s2 3d10 4p5
79
Fe(CrO
4
)
Iron (V) Chromate
Iron (II) Chromate
Iron (III) Chromate
Iron (IV) Chromate
80
What are the sublevels that exists for the 4th energy level?
1s, 2p, 3d, 4f
4s, 4p, 4d, 4f
1s, 4f, 4d, 4g
2s, 4p, 3d, 4f
81
Beryllium Hydroxide
Be(OH)
Be(OH)3
Be2(OH)
Be(OH)2
82
What is the appropriate unit for the density for a liquid?
g/cm3
g/M
g/L
g/mL
83
decacarbon heptabromide
C10Br5
C9Br7
C10Br7
C10Br6
