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The First 20 Elements: Atomic
MassQuiz
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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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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?
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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?
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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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