The First 20 Elements: Atomic

MassQuiz

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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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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?

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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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