1. Chapter 3 Review Game Questions

2. Question #1
What is the maximum number of electrons the d orbital can hold?
10 (because it has 5 orbitals, each can hold 2 electrons)

3. Question #2 What does the angular momentum quantum number represent?
a) orientation of electron
b) orientation of orbital
c) shape of orbital
d) energy level
Answer: c

4. Question #3
Why doesn’t the number of protons change when an ion forms?
Changing the protons changes the element/identity

5. Question #4
How many atoms are in 2.5mol of vanadium? Use conversion factors and dimensional analysis!
1.5x1024 atoms V

6. Question #5
What is the correct symbol for an ion that has 21 electrons, 24 protons, and 25 neutrons? Use the symbol for the element! (use the format: X)
Cr+3 A Z 49 24

7. Question #6
Which of the following was part of Dalton’s atomic theory that is no longer true today?
a. In chemical reactions atoms are combined, separated, and rearranged.
b. Atoms of the same element have the same properties.
c. Atoms of different elements have different properties.
d. Atoms of different elements combine in simple, whole number ratios to form compounds.
Answer: b

8. Question #7
How many atoms are in 32.4g of boron? Show work using dimensional analysis and conversion factors!
1.80 x 1024 atoms

9. Question #8 What is the full electron configuration for manganese?
1s22s22p63s23p64s23d5

10. Question #9
How many protons, electrons, and neutrons are in the following atom: titanium-49?
22 protons, 22 electrons, and 27 neutrons

11. Question #10
Which of the following is correct with respect to the masses of subatomic particles?
a. electron > proton
b. neutron < proton
c. electron = neutron
d. proton > electron
Answer: d

12. Question #11
What electron configuration rule is violated in this example:
Pauli Exclusion Principle 1s

13. Question #12
How many orbitals does the p sublevel have? What is the shape of the p sublevel?
3 orbitals; peanut

14. Question #13
What model of the atom is based on the probability of finding an electron?
quantum model (electron cloud model)

15. Question #14
What was the name of Thomson’s model of the atom? Draw a picture of his model- include all charges and label all particles.
Plum pudding- negative electrons embedded in a positive ball

16. Question #15
What element is represented by the following electron configuration?
[Kr] 5s24d105p4
tellurium (Te)

17. Question #16
What is the name given to electrons in an atom that are at low energy?
ground state

18. Question #17
What is abbreviated orbital diagram configuration for Zr (zirconium)?
[Kr] 5s 4d

19. Question #18
Who determined that atoms are mostly empty space? What finding allowed him to draw this conclusion?
Rutherford; most of the the alpha particles went straight through the gold foil

20. Academic Final Question
What is the molar mass of water, H2O?
Use your answer above to find how many moles of water are in 20.g of water.
Answers: 18.02g/mol
1.1mol

21. Honors Final Question
If you have a 32g sample of aluminum chloride (AlCl3), how many formula units of aluminum chloride do you have?
Answer: 1.4 x 1023 formula units