Test Your Understanding of the Periodic Table of the Elements

1. Which elements are in the liquid phase at room temperature?

2. Which elements are in the gas phase at room temperature?

3. What are the 2 main divisions of the periodic table?

4. What are the 7 metalloids?

5. What is the number of e-, p, and n in a neutral atom of nitrogen?

6. What is the Atomic Mass of xenon?

7. What is the Atomic Number of barium?

8. What is the electron configuration of iodine?

9. What are the relative atomic masses based on?

10. What are the Selected Oxidation States of chlorine?

11. What is the Symbol of krypton?

12. Name the 6 Noble Gases?

13. What are the characteristics of metals?

14. What are the characteristics of nonmetals?

15. What are the characteristics of metalloids?

16. Is hydrogen considered a metal?

17. What is the difference between helium and the other Noble Gases?

18. How many groups are in the Periodic Table of Elements?

19. How many periods are in the Periodic Table of Elements?

20. What does the period number indicate in the electron configuration of an atom?

21. What does the group number indicate in the electron configuration of an atom?

22. What is the name of groups 3-12?

23. What is the name of group 1?

24. What is the name of group 2?

25. What is the name of group 17?

26. What is the name of group 18?

27. What does the Selected Oxidation States numbers represent?

28. How many valence electrons are in an atom of cesium?

29. What is the outermost principal quantum number for an atom of arsenic?

30. What element has an electron configuration of 2-8-10-2?