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Atomic Structure Practice
* Required
1.
My First and Last Name *
OPTIONAL: 6 minute tutorial on atomic number, mass number, and charge
v=dRfrvpVdKGM
http://youtube.com/watch?
OPTIONAL: Advanced tutorial (10 min) on atomic number, mass number, and isotopes
http://youtube.com/watch?v=I-Or4bUAIfo
Atomic Structure
Practice
Remember to return to the tutorial videos in section 1 if you
get stuck
2.
A proton has a charge of: *
1 point
Mark only one oval.
+1
-1
0
+2
3.
A proton has a mass of: *
1 point
Mark only one oval.
1 amu
0 amu
2 amu
-1 amu
4.
An electron has a charge of: *
Mark only one oval.
+1
-1
0
+2
1 point
5.
A neutron has a charge of: *
1 point
Mark only one oval.
+1
-1
0
+2
6.
The subatomic particle(s) found in an atom's nucleus are/is the: *
1 point
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Proton and Neutron
Electron
Proton, Neutron, and Electron
Proton
7.
Where are electrons found? *
Mark only one oval.
Surrounding the nucleus
In the nucleus
In the neutrons
In the protons
1 point
8.
What is the atomic number of the atom in the diagram below? *
Mark only one oval.
0
3
6
9
1 point
9.
What is the mass of the atom in the diagram below? *
Mark only one oval.
0
3
6
9
1 point
10.
What is the charge of the atom in the diagram below? *
Mark only one oval.
0
+3
-3
+1
1 point
11.
Name this atom *
Mark only one oval.
Lithium
Carbon
Fluorine
Boron
1 point
12.
What is the atomic number of boron? *
1 point
Mark only one oval.
5
10.811
6
11
13.
How many protons are in boron? *
Mark only one oval.
5
10.811
6
11
1 point
14.
What is the mass number of boron? *
1 point
Mark only one oval.
5
10.811
6
11
15.
How many neutrons are in boron-11 *
Mark only one oval.
5
10.811
6
11
1 point
16.
The atomic number tells you the number of ____ in an atom *
1 point
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Protons
Protons and electrons
Electrons
Protons + Neutrons
17.
The mass number tells you the number of ____ in an atom *
Mark only one oval.
Protons
Neutrons
Electrons
Protons + Neutrons
1 point
18.
Using your periodic table, identify this element *
Mark only one oval.
Sulfur
Germanium
Carbon
Phosphorus
1 point
19.
What is the mass of this element? *
1 point
Mark only one oval.
16 amu
32 amu
15 amu
0 amu
20.
How many neutrons are in an atom with the atomic number 15? Be sure to use your periodic
table to find mass.
Mark only one oval.
15
16
30
31
*
1 point
21.
How many neutrons are in an atom with the atomic number 16? Be sure to use your periodic
table to find mass.
Mark only one oval.
15
16
30
31
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