Periodic Table and Materials Science

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Presentation transcript:

Periodic Table and Materials Science Quiz

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?

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

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

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?

Question 5 Uranium has an atomic number of 92, and an atomic mass of 238.03 amu. How many electrons does each atom of uranium have?

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

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

Question 8 Name the two elements contained in steel.

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

Question 10 The ability to resist stretching is ____________ strength.