Atomic Structure Review Game

Solid, Indivisible Sphere of Matter

1.Whose model of the atom was that?

a) Daltonb) Thomsonc) Rutherfordd) Chadwick

30 seconds each to complete these questions

2. What happened to the cathode ray in the experiment?

a) It was repelled by a (+) charge.

b) It bounced back to the cathode.

c) It was stopped by a magnet.

d) It was deflected away from a (-) charge.

J.J. Thomson & Cathode Ray

3. What particle did Thomson discover through the cathode ray experiment?

a. Electron c. Neutronb. Proton d. All of the above

4. What was Millikan able to measure in his oil drop experiment?

a) Electron’s massb) Electron’s chargec) Electron’s radiusd) Oil’s density

5. What did scientists conclude about the atom when the electron was discovered?

a) The atom must contain a (+) charge.

b) The atom was divisible.c) Most of the atom’s mass

must come from another particle.

d) All of the above

6. What was the result of the gold foil experiment?

a) Most alpha particles bounced back.

b) All alpha particles went straight through.

c) A few alpha particles bounced back.

d) None of the above

7. What conclusion did Rutherford come to after the gold foil experiment?

a) Most of the atom is empty space.

b) A dense region of (+) charge existed in the atom.

c) Thomson’s model was incorrect.

d) All of the above

Rutherford’s ExperimentGold Foil

8. What was Rutherford’s model of the atom?

a) Planetary modelb) Neutron modelc) Gold foil modeld) Nuclear model

9. Chadwick finished off the atom with the discovery of the ____________.

a) Electronb) Protonc) Neutrond) Missing link

Atomic Structure

10. The nucleus takes up most of the room in the atom.

a) Trueb) Falsec) Depends on the

elementd) Depends on the

isotope

11. The nucleus accounts for most of the mass of the atom.

a) Trueb) Falsec) Depends on the

elementd) Depends on the

isotope

12. Electrons are about half the size of protons.

a) Trueb) Falsec) Depends on the

isotoped) Depends on the

atom

13. For an atom to be neutral, it must have the same number of _________.

a) e- & p+

b) e- & no

c) no & p+

d) e- & p+ & no

14. According to the periodic table, what is the number “8” in the picture below?

a) Atomic massb) Atomic numberc) Mass numberd) Isotope number

15. According to the periodic table, what is 15.9994 in the picture?

a) Molar massb) Mass numberc) Average Atomic

Massd) All of the above

16. What is the number “12” represent in the hyphen notation?

a) Atomic numberb) Number of

protonsc) Number of

neutronsd) Mass number

Carbon - 12

17. The top number is the _______ number while the bottom is the ________ number.

a) Mass; atomic b) Atomic; Mass c) Neutron; protond) Proton; neutron C126

18. Which subatomic particle has to do with isotopes?

19. What is the mass of a neutron in amu?

20. List the # of neutrons, # protons, and # electrons for Calcium2+-42.

21. What is a negative ion called?

22. Name two isotopes.

23. Which isotope is all the element’s masses on the

periodic table based upon?

24. If I have 2 isotopes, X-16 and Y-19 and my average

atomic mass is 17amu. Which isotope is more abundant?

25. How many electrons are held in a d orbital?

26. How many orbitals are in a f sublevel?

27. How many electrons can be held in the 3rd energy level?

28. What does Hund’s Rule say?

a) One electron can be added at a time.b) Each orbital must have 1 electron in the

same sublevel before a 2nd electron can be placed in that orbital.

c) Each orbital must contain one electron with an upward spin and one with a downward spin.

d) There are only 2 electrons in each orbital.

You now have 1 minute for these questions

29. Write the electron configuration for Nitrogen.

30. How many valence electrons are in

Nitrogen?

31. Write the box orbital notation for Sulfur.

32. List the 3 types of radiation in order of

penetrating strength. (weakest to strongest)

You have 5 minutes to answer this question

33. Phosphorous-32 has a half life of 68 hours. In 340 hours, how much of a 440g sample will have decayed?