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The First 20 Elements: Atomic
MassQuiz
Click Here to Begin!
P.S.- Make Sure you remember how many you got right!
What is the Atomic Mass of Nitrogen?
A: 14.07
B: 14.007
C: 7
D: 14.700
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Match the atomic mass with the correct element: 22.99
A: Argon
B: Magnesium
C: Sodium
D: Calcium
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Which of these pairs match?
A: Neon; 20.18
B: Neon; 22.99
C: Neon; 18.998
D: Neon; 10
E: Neon; 20.81
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True or False: Hydrogen’s Atomic Mass is 1.008. If false, why?
True
False; the atomic mass is the number of protons in an atom.
False, the atomic mass is 1 since hydrogen is the first element on the periodic table.
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The atomic mass of Magnesium is…
A: 24.035
B: 23:405
C: 12
D: 24.305
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35.453. This atomic mass belongs to…
Fluorine
Chlorine
Argon
Potassium
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What is the atomic mass of Boron?
A: 10
B: 5
C: 10.35
D: 10.811
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4.003 is the atomic mass of…
Hydrogen
Beryllium
Helium
Lithium
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The element with a symbol of Be has which atomic mass?
9.012
4
9.12
9.102
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What is the atomic mass of Silicon?
28.806
14
28.068
28.086
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Oxygen has an atomic mass of…
16
16 – 0.001 = atomic mass of Oxygen
15.999
8
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32.065 is the atomic mass of which element?
Argon
Magnesium
Sulfur
Phosphorus
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Match the element and atomic mass correctly
Fluorine
18.999
18.998
9.1898
9
18
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Match the Atomic Mass and the Element correctly
26.982
Argon
Silicon
Aluminum
Magnesium
Calcium
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Match the Symbol with the atomic mass
Li
6.941
3.941
9.012
3
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Match the atomic mass with the symbol
12.011
Na
Mg
C
B
N
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The answer you selected is correct. (C stands for Carbon)
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True or False: Potassium has an atomic mass of 40.078. If false, what is the atomic mass?
True
False; the atomic mass is 19
False; the atomic mass is 39.098
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Calcium has an atomic mass of…
40.078
20
42.789
40.780
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Phosphorus has an atomic mass of…
31.004
30.974
15
15.9067
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The Final Question: What is the atomic mass of Fluorine?
9
18
18.998
19.998
8.998
9.998
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Grades
20 correct:
You are on your way to
becoming a chemist, right?
18 or 19 correct:
Your skills are
pretty good, just a
tiny bit more practice
needed.
A+
A
16 or 17 correct: 0 to 11 correct: Your skills are a Your skills need to be greatlylittle rusty, but still good. Improved.
14 or 15 correct:You need some more practice.
12 or 13 correct:A good deal of practice is needed .
B
C
D
F
Bonus: Who was this element named after?
Bonus: Which three elements of the first twenty weren’t in Mendeleev's periodic table?
Bonus: How many elements are there in the Periodic Table?
Bonus 1
Who was this element named after? Nobelium was named after Alfred Nobel, a Swedish chemist who discovered how to make dynamite and was the namesake for the Nobel Prize.
Also, did you know there are different versions of the periodic table?
Click here to go back to see more.
Bonus 2
Which three elements weren’t in Mendeleev's table? Helium, Neon, and Argon, which are all noble gases.
Also, did you know there are different versions of the periodic table?
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Bonus 3
How many elements are there? There are 118 elements in the Periodic Table.
Also, did you know there are different versions of the periodic table?
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