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Worksheets3.59: REVIEW WITH QUIZIZZ: UNIT 3 EXAM 4D 7W S1 23
Total questions: 50
Worksheet time: 50mins
Name
Class
Date
1.
Which of the following is a correct Lewis dot diagram for calcium?
a)
'
b)
`
c)
,
d)
.
2.
What is the maximum number of electrons that can be held in the first energy level of an atom?
a)
1 electron
b)
2 electrons
c)
6 electrons
d)
8 electrons
3.
Which electron diagram below DOES NOT obey the rules of electron configuration?
a)
Diagram A
b)
Diagram B
c)
Diagram C
d)
Diagram D
4.
Based on the electron configuration diagram, how many total electrons are there in the atom shown below?
a)
8 electrons
b)
9 electrons
c)
14 electrons
d)
15 electrons
5.
What is the maximum number of electrons that can be held in an s-orbital?
a)
2 electrons
b)
6 electrons
c)
8 electrons
d)
12 electrons
6.
What is the maximum number of electrons that can be held in the second energy level of an atom?
a)
2 electrons
b)
6 electrons
c)
8 electrons
d)
12 electrons
7.
Which element would have the electron configuration below?
a)
Beryllium (Be)
b)
Magnesium (Mg)
c)
Strontium (Sr)
d)
Barium (Ba)
8.
Which diagram would be a correct representation of the electron configuration below?
a)
Diagram A
b)
Diagram B
c)
Diagram C
d)
Diagram D
9.
Which element would have the electron configuration below?
a)
Chlorine (Cl)
b)
Phosphorus (P)
c)
Fluorine (F)
d)
Carbon (C)
10.
Which diagram shows the correct electron configuration of Argon?
a)
Diagram A
b)
Diagram B
c)
Diagram C
d)
Diagram D
11.
Which element would have the electron configuration diagram below?
a)
Calcium (Ca)
b)
Magnesium (Mg)
c)
Barium (Ba)
d)
Strontium (Sr)
12.
Which electron configuration correctly describes an atom of Nitrogen?
a)
1s2 2s6 2p2
b)
1s2 2p2 2s6
c)
1s2 2s2 2p6
d)
1s2 2s2 2p3
13.
Which element would have the electron configuration diagram below?
a)
Magnesium (Mg)
b)
Calcium (Ca)
c)
Strontium (Sr)
d)
Barium (Ba)
14.
Which diagram shows the correct electron configuration of Carbon?
a)
Diagram A
b)
Diagram B
c)
Diagram C
d)
Diagram D
15.
Which diagram shows the correct electron configuration of Beryllium?
a)
Diagram A
b)
Diagram B
c)
Diagram C
d)
Diagram D
16.
Which diagram shows the correct electron configuration of Neon?
a)
Diagram A
b)
Diagram B
c)
Diagram C
d)
Diagram D
17.
Which element would have the electron configuration diagram below?
a)
Sulfur (S)
b)
Neon (Ne)
c)
Chlorine (Cl)
d)
Fluorine (F)
18.
What is a valence electron?
a)
An electron in the innermost shell of an atom
b)
An electron in the outermost shell of an atom
c)
An electron with a stronger negative charge
d)
A highly energized electron
19.
Elements are defined by the number of ___________________________.
a)
protons
b)
neutrons
c)
electrons
20.
Isotopes are defined by the number of ___________________________.
a)
protons
b)
neutrons
c)
electrons
21.
Ions are defined by the number of ______________________________.
a)
protons
b)
neutrons
c)
electrons
22.
What is the maximum number of electrons that can occupy the 3rd electron shell?
a)
2
b)
8
c)
18
d)
32
23.
Which one of the followings is NOT CORRECT for isotope atoms?
a)
They are atoms of the same element.
b)
They have same number of protons.
c)
They have same mass numbers.
d)
They have same atomic numbers.
24.
What is the electric charge of this atom?
a)
+7
b)
+1
c)
-1
d)
-5
25.
Which one of the followings is correct for a negatively charged ion?
a)
It has more protons than electrons.
b)
It has equal number of electrons and protons.
c)
It has more electrons than protons.
d)
D. It has more protons than neutrons.
26.
Which one of the followings is NOT found in the nucleus of an atom?
a)
Positive charges
b)
Neutrons
c)
Electrons
d)
Protons
27.
Which of the following expressions can give the mass number of an atom?
a)
Protons + electrons
b)
Protons + electrons + neutrons
c)
Protons + neutron
d)
Neutrons + electrons
28.
Which one of the followings compares the masses of subatomic particles?
a)
Mass of one proton > mass of one neuron > mass of electron
b)
Mass of one proton = mass of one neutron > mass of one electron
c)
Mass of one proton = mass of one neutron < mass of one electron
d)
Mass of one proton = mass of one neutron = mass of one electron.
29.
What name is given to negatively charged atoms?
a)
Neutral atom
b)
Ion
c)
Anion
d)
Cation
30.
Potassium (K) has an atomic mass of 39. What Bohr model below properly represents it?
a)
A
b)
B
c)
C
d)
D
31.
According to the diagram, how many valence electrons does oxygen have?
a)
6
b)
1
c)
2
d)
3
e)
4
32.
Which of the following is the correct Lewis dot diagram for carbon?
a)
.
b)
`
c)
'
d)
,
33.
TRUE OR FALSE: A different form of an atom of the same element due to a change in the number of neutrons is known as an ion.
a)
True
b)
False
34.
TRUE OR FALSE: A different form of an atom of the same element due to a change in the number of neutrons is known as an isotope.
a)
True
b)
False
35.
Which of the following letters in the Bohr Model correctly identifies the protons?
a)
A
b)
B
c)
C
d)
D
36.
Which of the following letters in the Bohr Model correctly identifies the neutrons?
a)
A
b)
B
c)
C
d)
D
37.
TRUE OR FALSE: A cation is a negatively charge ion.
a)
True
b)
False
38.
TRUE OR FALSE: A anion is a negatively charge ion.
a)
True
b)
False
39.
TRUE OR FALSE: An ion is an atom with a positive or negative change.
a)
True
b)
False
40.
Which of the following correctly identifies an electron?
a)
A
b)
B
c)
C
d)
D
41.
How many protons does the Hydrogen atom have?
a)
1
b)
2
c)
4
d)
5
42.
What makes an atom electrically neutral?
a)
The neutrons balance out the protons and electrons.
b)
The nuclear forces contained in the atom neutralize the atom.
c)
The number of protons is equal to the number of electrons.
d)
The number of protons is equal to the number of neutrons.
43.
The smallest particle of an element that retains the properties of that element is a(n)
a)
electron
b)
proton
c)
atom
d)
quark
44.
Isotopes of the same element have different...
a)
chemical properties.
b)
atomic numbers.
c)
masses.
d)
number of protons.
45.
All atoms of the same element have the same...
a)
number of protons.
b)
number of neutrons.
c)
mass number.
d)
protons and neutrons.
46.
Which subatomic particles have approximately the same mass?
a)
electrons and protons
b)
protons and neutrons
c)
electrons and neutrons
d)
protons and quarks
47.
How many neutrons are in the Bohr Model of the atom for lithium?
a)
1
b)
2
c)
3
d)
4
48.
Which of the following is the CORRECT Lewis Dot Diagram for Nitrogen (N)?
a)
C
b)
A
c)
B
d)
D
e)
E
49.
TRUE OR FALSE: Planck proposed the relationship between the frequency of a wavelength and the energy the electromagnetic radiation contained. THE FORMULA IS PICTURED.
a)
True
b)
False
50.
What symbol is associated with wavelengths?
a)
𝜆
b)
E
c)
x
d)
v
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