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WorksheetsBenchmark 2 Review CP Chem
Total questions: 33
Worksheet time: 47mins
Name
Class
Date
1.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
2.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
3.
Protons and Electrons balance the charge of an atom.
a)
True
b)
False
4.
If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
a)
12 neutrons
b)
12 electrons
c)
12 protons
d)
24 protons and neutrons
5.
The mass of one proton is greater than the mass of one...
a)
neutron
b)
electron
6.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
7.
Which letter represents a neutron?
a)
A
b)
B
c)
C
d)
D
8.
What is the atomic mass of the atom pictured?
a)
9
b)
10
c)
18
d)
19
9.
What is the atomic number of the atom pictured?
a)
9
b)
10
c)
18
d)
19
10.
What is the element name of the atom pictured?
a)
Fluorine
b)
Neon
c)
Argon
d)
Potassium
11.
Magnesium exists as three isotopes shown above. What is the average atomic mass?
a)
18.39 amu
b)
20.74 amu
c)
22.56 amu
d)
24.31 amu
12.
Isotopes are atoms of the same element that have the same number of __________ but different number of __________ . Therefore, isotopes of the same element have different masses.
a)
protons, neutrons
b)
protons, electrons
c)
neutrons, protons
d)
electrons, protons
13.
Calcium has three different isotopes. One has a mass of 35.00 amu; another has a mass of 41.00 amu; and another has a mass of 40.00 amu. Which isotope is the most abundant of the three?
a)
41 amu
b)
40 amu
c)
35 amu
d)
Cannot be determined based on information given
14.
Which colour has the highest wavelength?
a)
Red
b)
Blue
c)
Yellow
d)
Violet
15.
Which colour has the highest frequency?
a)
Violet
b)
Indigo
c)
Orange
d)
Green
16.
A lab sample of gas is shown at the top. Which of these would be present in the sample?
a)
Beryllium
b)
Manganese
c)
Strontium
d)
Titanium
17.
Emission of light from an atom occurs when an electron
a)
drops from a higher to a lower energy level.
b)
jumps from a lower to a higher energy level.
c)
moves within its atomic orbital.
d)
falls into the nucleus.
18.
Which drawing represents the process by which an emission line is formed?
a)
A
b)
B
c)
C
d)
D
19.
Put the visible light colors in order from lowest to greatest energy
a)
Violet, Indigo, Blue, Green, Orange, Yellow, Red
b)
Red, Yellow, Green, Orange, Violet, Blue, Indigo
c)
Red, Orange, Yellow, Green, Blue, Indigo, Violet
20.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
21.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
22.
This orbital diagram represents:
a)
C
b)
B
c)
N
d)
O
23.
What is incorrect about this orbital diagram?
a)
Both arrows in the 2p box should be pointing up
b)
There is nothing incorrect with this diagram
c)
In the there should only be 1 orbital in the first 2p box and one in the 2nd 2p box
d)
All the arrows should be pointing up.
24.
Which element is pictured?
a)
neon
b)
fluorine
c)
magnesium
d)
argon
25.
How many electrons can the p sublevel hold?
a)
14
b)
10
c)
2
d)
6
26.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
27.
Which of the following is a p block element?
a)
Ca
b)
Ar
c)
Re
d)
Au
28.
What is the shape of an s orbital?
a)
sphere
b)
dumbbell
c)
double dumbbell
d)
TOO COMPLEX TO KNOW IT.
29.
Which two would have the same shape?
a)
2p
b)
2s
c)
3d
d)
1s
30.
How many moles are in 19.82 g Mg?
a)
1.226mol Mg
b)
481.7mol Mg
c)
1.000mol Mg
d)
0.8156 mol Mg
31.
Which of the following dimensional analysis setups will correctly convert 4.00x1023atoms of cobalt to moles of cobalt? How many moles of colbalt are there?
a)
setup B : 0.6644mol Co
b)
setup A: 2.41x1047mol Co
c)
setup A : 0.664mol Co
d)
setup B: 2.41x1047mol Co
32.
How many moles are in 3.01 x 1022 atoms of magnesium?
a)
0.050 moles
b)
1.81 x 1046 moles
c)
5.00 x 1021 moles
d)
5.00 moles
33.
How many grams are in 1.2 x 1024 atoms of C?
a)
28 grams
b)
24 grams
c)
6.02 grams
d)
1.2 grams
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