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PAP Chemistry Test Chapters 1,2,6 (Multiple Choice) Flashcards | StudBud
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PAP Chemistry Test Chapters 1,2,6 (Multiple Choice)
PAP Chemistry Test Chapters 1,2,6 (Multiple Choice)
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PAP Chemistry Test for the Multiple Choice portion
Flashcards
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Practice quiz
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Questions
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Answers
1
Electronegativity increases
moving down a group in the periodic table
none of these
when electrons are paired
moving from left to right across the periodic table
2
Place the following atoms in order of increasing ionization energy: C, N, and Si
N < C < Si
C < Si < N
Si < C < N
C < N < Si
3
Which species has 63 neutrons?
11248Cd
6329Zn
none of the above
11249In
4
F-20, a radioactive isotope of fluorine, has...
10 protons, 9 neutrons, 1 electron
9 protons, 9 neutrons, 9 electrons
9 protons, 11 neutrons, 10 electrons
9 protons, 11 neutrons, 9 electrons
5
Which of these does NOT represent a quantum number?
f
n
s
m
6
In general, atomic radii...
increase down a group and increase across a period
decrease down a group and increase across a period
increase down a group and decrease across a period
decrease down a group and decrease across a period
7
The Schrodinger wave equation
is used to compute the wavelength of small particles
proves that photons are particles
proves electrons have positive and negative spins
solved to find chance to find an electron in area of space
8
He created the first periodic table by arranging elements in order of increasing atomic mass:
Seaborg
Rutherford
Mosely
Mendeleev
9
How many significant digits are there in 6.022 x 10
23
3
23
1
4
10
Which of the following atoms contains the largest number of protons?
147N
199F
146C
168O
11
Convert 1.64 x 10
-3
GL to mL
1.64 x 10-8 mL
1.64 x 1010 mL
1.64 x 1012 mL
1.64 x 10-10 mL
12
All atoms of the same element have the same number of
protons
protons, neutrons, and electrons
protons and neutrons
neutrons
13
Identify the halogen from period 4?
Kr
I
Br
K
14
What is the ground state electron configuration of Mn?
1s22s22p63s23p63d64s1
1s22s22p63s23p63d54s2
1s22s22p63s53p63d74s2
1s22s22p63s63p63d64s2
15
Which group of 3 elements contains an alkaline earth metal, halogen, & post-transition element?
K, Ga, Se
U, Cl, Rb
Mg, Br, Pu
Be, S, U
16
What is the identity of
55
25
X?
manganese
silver
zinc
cesium
17
3 electrons are available to fill 3 2p atomic orbitals, how will the electrons be distributed?
no electrons will be placed
three in one orbital, none in the other two
two electrons in one orbital, one in another, none in third
one electron in each orbital
18
The quantum number "s" indicates what property of an electron?
position
spin
speed
energy level
19
How many significant digits are there in 200.00 mm?
5
1
3
0
20
Which element is a transition element?
Tin
Cesium
Titanium
Copper
21
How many electrons, protons, and neutrons are found in a Cl
-
ion formed from Cl-35?
17 electrons, 16 protons, 19 neutrons
16 electrons, 17 protons, 19 neutrons
18 electrons, 17 protons, 18 neutrons
17 electrons, 17 protons, 17 neutrons
22
According to the Aufbau Principle __________
electrons enter orbitals of highest energy first
an orbital may be occupied by only 2 electrons
electrons enter orbitals of lowest energy first
electrons in the same orbital must have opposite spins
23
The quantum mechanical model of the atom ____________.
concerned with chance of finding an electron in a position
was proposed by Niels Bohr
is described as the "plum pudding" model
defines the exact path of an electron around the nucleus
24
Place the following atoms in order of increasing size: Al, Cl, Mg, O, and P
none of these
Cl < O < P < Al < Mg
O < Cl < P < Al < Mg
O < Mg < Al < P < Cl
25
This scientist's theory states that an element is composed of atoms:
Mendeleev
Rutherford
Einstein
Dalton
26
What is the distance that light travels through a vacuum in 1/299,792,458 of a second?
kilometer
meter
centimeter
nanometer
27
Place the following in increasing size: Ba, Ca, Mg, Na, & Rb
Ba < Rb < Ca < Na < Mg
Na < Mg < Ca < Rb < Ba
Mg < Na < Ca < Rb < Ba
Rb < Mg < Ca < Ba < Na
28
How many significant digits are there in 10,250 pages?
5
4
3
infinite
29
Convert 0.087 Tm to Mm
8.7 x 106 Mm
8.7 x 1018 Mm
8.7 x 104 Mm
0.087 x 1016 Mm
30
This scientist demonstrated that most of an atom is empty space:
Dalton
Rutherford
Mendeleev
Thompson
31
In general, ionization energies...
decrease down a group and decrease across a period
decrease down a group and increase across a period
stays neutral
increase down a group and increase across a period
32
All of the following groups are considered main group elements EXCEPT
group 7
group 18
group 2
group 17
33
"Electrons of equal energy, one electron occupies each orbital before more are added" stated by
Hund's Rule
Pauli Exclusion Principle
Aufbau Principle
Schrodinger's Equation
34
B, Si, Ge, As, Sb, and Te are examples of a...
metal
metalloid
chalcogen
gas
35
The maximum number of electrons that can be found on the fourth energy level is...
32
18
12
6
36
Noble gases are nonreactive and typically do not form compounds. This is demonstrated by the...
Hund's Rule
Aufbau Principle
Dalton's Theory
Octet Rule
37
He arranged elements on the periodic table in order of increasing atomic number
Mendeleev
Seaborg
Mosely
Einstein
38
What is the nuclear symbol for a species containing 57 neutrons and has a mass number of 101?
Er
Os
La
Ru
39
Convert 4.92 x 10
-2
pg to ng
4.92 x 10-5 ng
4.92 x 1019 ng
4.92 x 10-3 ng
0.0492 ng
40
According to rounding rules for addition, the sum of 27.1, 34.538, and 37.68 is ___.
99.3
99.31
99
99.318
41
An element with more or less electrons as compared to the neutral atom
quantum
ion
isotope
valence
42
What symbol of the atom or ion with the following orbital diagram?
1s(↑↓) 2s(↑↓) 2p(↑↓)(↑ )(↑ )
O
B
S
N
43
The product of 2 x 10
4
cm and 4 x 10
-12
cm, expressed in scientific notation is ___.
6 x 10-8 cm
8 x 10-48 cm
8 x 10-7 cm
8 x 10-8 cm
44
100.00 meters + 50.000 centimeters + 1.0000 kilometers = _____ meters
1510.00 m
1015.00 m
1100.5 m
1150.0 m
45
Which of the following says that only 2 electrons can occupy an atomic orbital, opposite spins
Hund's Rule
the Pauli Exclusion Principle
Dalton's Theory
the Aufbau Principle
46
Convert 5.30 x 10
6
nL to dL
5.30 x 1016 dL
5.30 x 10-2 dL
5.30 x 10-4 dL
5.30 x 1014 dL
47
Which group of 3 elements contains a transition metal, halogen, and a noble gas?
Ce, N, He
Cu, I, Xe
S, I, Cu
Ar, Hg, Rn
48
Identify the alkali metal from period 5
Ga
Ca
Rb
K
49
Which group of three elements contains a nonmetal, a metal, and a metalloid?
H, Al, N
I, Hg, Si
Li, Al, Si
Na, Hg, I
50
How many half-filled orbitals does silicon atom have?
4
3
2
1
51
The cloud shape created by electrons in the "p" orbital is
complex
sphere
dumbell
irregular
52
Convert 600 mg to g
6.00 g
0.6 g
60 g
0.600 g
53
Which particle has 10 electrons?
F-
Mg2+
All the Answers
Ne
54
Convert 351cm to mm
3.51 x 10-3 mm
3.51 x 107 mm
3.51 x 101 mm
3.51 x 103 mm
55
Which nuclear symbol describes oxygen-15?
1615O
157O
158O
1516O
56
How many metals are there in group 13?
2
0
1
4
57
What is the ground state electron configuration of Am?
[Rn]5f66d107s2
[Rn]5f66d17s2
[Xe]5f66s2
[Xe]6f67s2
58
Which quantum number designates the shape of an atomic orbital?
l
n
m
s
59
How many empty orbitals does a bromine atom have?
2
1
3
0
60
How many nonmetals, metalloids, and metals are in group 14?
4 nonmetals, 2 metalloids, and 1 metal
3 nonmetals, 0 metalloids, and 2 metals
1 nonmetals, 2 metalloids, and 2 metals
2 non metals, 2 metalloids, 2 metals
61
What is the total capacity of electrons in n=3?
10
18
50
5
62
Which description most accurately describes neptunium-239?
number of protons=93, number of neutrons=239
mass number=93, atomic number=146
mass number=93, atomic number=239
number of protons=93, number of neutrons=146
63
This scientist used a cathode ray tube to show that electrons exist:
Thomson
Mendeleev
Rutherford
Dalton
64
The electron configuration that includes only the valence electrons is called the...
Wave Diagram
s,p,d,f Diagram
Spin Diagram
Lewis Dot Structure
65
How many elements are contained in period 4?
32
18
3
8
66
Convert 8.41 x 10
13
fg to kg
8.41 x 1031 kg
8.41 x 1025 kg
8.41 x 10-5 kg
8.41 x 101 kg
