1. Periodic Table and Materials Science
Quiz

2. Question 1
If an element has an atomic number of 81 and an atomic mass of 179, how many neutrons are in every atom of this element?

3. Question 2
How many naturally-occurring elements exist on earth?

4. Question 3
Sodium is in Column IA and Row 3 of the periodic table. How many valence shells are in each atom of sodium?

5. Question 4
Helium, Neon, Argon, Krypton, Xenon, and Radon are all in Column 8A of the periodic table. They have full outer valence shells, so they are very un-reactive. What is the name for this group of elements?

6. Question 5
Uranium has an atomic number of 92, and an atomic mass of amu. How many electrons does each atom of uranium have?

7. Question 6
Which of the following are qualitative observations? smell mass temperature viscosity texture diameter pH length

8. Question 7
Identify the name of the Russian chemist who designed the first periodic table of the elements.

9. Question 8
Name the two elements contained in steel.

10. Question 9
What was the first type of fiber created in a test tube?

11. Question 10
The ability to resist stretching is ____________ strength.