1. Crumple and Toss Review
Chemistry Lessons 17, 19, 20, 24
Flame test; Electron configurations; Ions; Ionic compounds

2. What category of elements can be used in a “flame test”?
Metals

3. What color does Lithium burn?
Red

4. What part of the atom is involved in a flame test?
Electrons

5. What color does Copper burn?
Blue-green

6. When do electrons emit photons of light?
When they drop down from an excited state or drop from a higher energy level to a lower energy level.

7. Why are some elements “envious” of noble gasses?
Noble gasses are stable

8. What are valence electrons?
Electrons in the outer most energy level

9. What is a cation?
Positively charged ion

10. What two groups of atoms are the most reactive?
Alkali metals and Halogens

11. What charge do Alkali metals make when making an ion?+1

12. What is an anion?
Negatively charged ion

13. What charge do Halogen ions make?-1

14. What charge do Alkaline Earth ions make?+2

15. What charge do group 13 elements make (when making an ion)?+3

16. What charge to the Oxygen group ions make?-2

17. What charge do the Nitrogen group ions make?-3

18. What charge would you expect Carbon to make?+4 -4

19. What “block” is shown below, for electron configuration?

20. What “block” is shown below, for electron configuration?P

21. When writing an electron configuration, what does the first (full size) number indicate?
The energy level, or orbital level

22. What “block” is shown below, for electron configuration?D

23. What is the electron configuration for Carbon?
1s22s22p2

24. When writing an electron configuration, what does the superscript number indicate?
The number of electrons in that orbital or sublevel

25. What “block” is shown below, for electron configuration?

26. What is the electron configuration for Neon?
1s22s22p6

27. What is the electron configuration for Scandium?
1s22s22p63s23p64s23d1

28. What is the electron configuration for Phosphorous?
1s22s22p63s23p3

29. What is the Rule of Zero Charge?
Ionic compounds combine to balance out their charges, so they’re neutral.

30. What do metals usually do when making ions?
Lose electrons

31. How many Lithium ions would join with on Oxygen ion?2

32. How many Potassium ions would join with an Aluminum ion?3

33. What do Nonmetals usually do when making ions?
Accept electrons

34. How many Chloride ions would combine with one Calcium ion?2

35. How many Bromide ions would combine with one Sodium ion?1

36. The End! 