
Lesson: Atomic Structure
Presentation
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
+3
Standards-aligned
William Jared Lovering
Used 22+ times
FREE Resource
28 Slides • 25 Questions
1
By William Lovering
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Multiple Choice
What is the charge of an electron?
+1
-1
0
None of these
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8
Fill in the Blanks
What would be the overall charge of an atom with 4 protons, 4 neutrons, and 4 electrons?
Type answer...
9
Fill in the Blanks
What would be the overall charge of an atom with 5 protons, 6 neutrons, and 4 electrons?
Type answer...
10
Fill in the Blanks
What would be the overall charge of an atom with 6 protons, 4 neutrons, and 8 electrons?
Type answer...
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12
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16
Fill in the Blanks
What is the mass of an atom with 8 protons, 8 neutrons, and 8 electrons.
Type answer...
17
Fill in the Blanks
How many neutrons are in an atom with 12 protons and a mass of 22 amu?
Type answer...
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21
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What subatomic particle has charge but almost no mass?
Type answer...
22
Fill in the Blanks
What subatomic particle has mass but no charge?
Type answer...
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Multiple Select
In an atom, the combination of these two particles determine if it is radioactive
protons
neutrons
electrons
fermions
27
Multiple Choice
These forces fight against the stability of an atomic nucleus, causing some to decay.
gravity
electrostatic
momentum
strong
28
Multiple Choice
This force makes an atom more stable by holding the nucleus together.
gravity
electrostatic
strong
momentum
29
Fill in the Blanks
Type answer...
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Multiple Choice
After Rutherford, chemists began identifying atoms by the positive charge in their nucleus. This was called the atomic number and represented the number of
protons
neutrons
protons + neutrons
protons + electrons
35
Multiple Choice
If atoms of an element were represented in this form, what information would the "X" give you?
The element
The number of protons
The number of electrons and protons combined
The number of neutrons and protons combined.
The overall charge of the protons and electrons combined
36
Multiple Choice
If atoms of an element were represented in this form, what information would the red box give you?
The element
The number of protons
The number of electrons and protons combined
The number of neutrons and protons combined.
The overall charge of the protons and electrons combined
37
Multiple Choice
If atoms of an element were represented in this form, what information would the green box give you?
The element
The number of protons
The number of electrons and protons combined
The number of neutrons and protons combined.
The overall charge of the protons and electrons combined
38
Multiple Choice
If atoms of an element were represented in this form, what information would the blue box give you?
The element
The number of protons
The number of electrons and protons combined
The number of neutrons and protons combined.
The overall charge of the protons and electrons combined
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Multiple Choice
What is an isotope?
2 atoms of the same element with different mass
2 different elements that have atoms with the same mass
2 atoms of the same element with a different charge
2 atoms of the same element with different atomic number
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Multiple Select
Mark all of the ways atomic structure could change to produce a different isotope of the same element.
the number of protons change
the number of neutrons change
the number of electrons change
45
Multiple Choice
Most atoms have many stable isotopes.
True
False
46
Multiple Choice
Different isotopes of an element are identified by
atomic number
atomic mass
atomic charge
atomic symbol
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Multiple Choice
An element's atomic weight is...
the number of protons and neutrons in a single atom
the weighted average of the mass of all known isotopes
the average number of protons in the nucleus
the total mass of protons, neutrons, and electrons
51
Multiple Choice
What do the numbers that are different in these 3 examples represent?
Atomic Number
Atomic Mass
Atomic Weight
Atomic Charge
52
Multiple Choice
What piece of information is missing that would allow you to calculate the atomic weight of these 3 isotopes?
the percent of hydrogen atoms that match each isotope
whether or not each isotope is stable
which number is closest to the actual mass
whether it has the same number of protons and neutrons
53
Multiple Select
Which isotope(s) of argon are most likely to be radioactive?
Ar-36
Ar-37
Ar-38
Ar-40
By William Lovering
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