Name: ________________________________________________ Date: _______________ Period: ________
Unit 3 Study Guide
Due Date: ____________________
Directions: Answer the following questions on a SEPARATE SHEET OF PAPER. Number ALL questions. Staple this sheet to
the front of your study guide before turning it in.
1. Give the geometry for each description
a. Two shared pairs, zero lone pairs (non-bonding electrons).
b. Three shared pairs, zero lone pairs
c. Four shared pairs, zero lone pairs
d. Three shared pairs, one lone pair
e. Two shared pairs, two lone pairs
2. How do you name NO4?
3. How do you name HCl?
4. What is the correct name for H2SO4?
5. Calculate the formal charge for O3.
6. What is the charge on a sulfate ion?
7. What is the maximum number of double bonds that a carbon atom can form?
8. Describe the trend that atomic radius follows in the periodic table.
9. Describe the trend that electronegativity follows in the periodic table.
10. How can you tell the difference between an ionic compound, a molecular compound, and a compound with a
polyatomic ion?
11. What is the molecular geometry of SF2?
12. How can you determine which elements have similar properties by looking at the periodic table?
13. Which noble gas does not have 8 valence electrons?
14. How many paired and unpaired electrons are there in a bromine atom?
15. What is the formula of the compound formed between calcium and oxygen ions?
16. Give the charge that ions from each group would form:
a. Group 1
b. Group 2
c. Group 3
d. Group 15
e. Group 16
f. Group 17
17. How many bonding and non-bonding electrons are on PF3?
18. Describe the trend that atomic radius follows in the periodic table.
19. What is the formula for ammonium sulfate?
20. What is the correct formula for copper (II) nitrate?
21. How many resonance structures can be drawn for SO3 without violating the octet rule?
22. Which elements in the periodic table are metalloids?
23. What is electronegativity?
24. Where is each located on the periodic table?
a. Metals
b. Non-metals
c. Metalloids
25. Hydrogen is in group 1. Is hydrogen an alkali metal? What group does hydrogen belong to?
26. When a metal and nonmetal react, which tends to lose and which gains electrons?
27. How many pairs of electrons are shared in each of the following
a. Single bond
b. Double bond
c. Triple bond
28. What is the electron configuration for oxide?
29. Elements in the same period/group have similar periodic tables?
30. Which element in the flame demo or flame test lab produced a red flame?
31. How can you determine whether a covalent bond will be polar?
32. How are the elements in the periodic table arranged?
33. Describe the trend that ionic radius follows in the periodic table.
34. Are most elements in the periodic table metals or non-metals?
35. What are the horizontal rows in the periodic table called?
36. What are the vertical columns in the periodic table called?
37. Draw a diagram of a wave and label the wavelength and amplitude.
38. Draw two waves, one with a high frequency and one with a low frequency.
39. Describe the relationship between wavelength, frequency, and energy?
40. Make a table contrasting metals and non-metals.
41. What is Heisenberg’s uncertainty principal?
42. What does the principal quantum number tell you about the location of an electron?
43. What is the orbital angular momentum quantum number?
44. What is magnetic quantum number?
45. What is electron spin quantum number?
46. How many sublevels are in
a. Energy level 1
b. Energy level 2
c. Energy level 3
d. Energy level 4
e. Energy level 5
47. How many electrons can each energy level in question 46 hold?
48. What is the Aufbau principle?
49. What is the Pauli exclusion principle?
50. What is Hund’s rule?
51. Write the complete noble gas configuration for Ca.
52. Write the noble gas shorthand configuration for Ca.
53. Draw an orbital diagram for Ca.
54. What are some elements that violate the octet rule?
55. What are some reasons that elements might violate the octet rule?