Name: ____________________________
Date: ___________ Period: _____
Chapter 4, 5, 6 Atomic Structure, Theory and Periodic Trends
Atomic Theory
1. Whose model was nicked name the plum pudding model?
2. What atomic model(s) could account for internal structure, empty space, and matter giving off energy but
not the stability of the atom?
3. For each person listed below draw and label their atomic model. tell what the model could and could
not account for.
a. Dalton
b. Lenard
c. Nagaoka
d. Thomson
e. Rutherford
f. Bohr
Subatomic Particle Review
4. What subatomic particle determines the identity of an element?
5. What subatomic particle determines the chemical properties of an atom?
6. What subatomic particles have an electrical charge?
7. What do we call atoms that have gained or lost electrons?
8. What do we call atoms of the same element that have different atomic masses?
9. What do we call atoms of the same element that have different numbers of neutrons?
10. An element has an atomic number of 80. How many protons and electrons are in an atom of the element?
11. How many protons, neutron, and electrons does U-234 have?
12. How many protons, neutron, and electrons does I-128 have?
13. How many protons, neutron, and electrons does Ca+2 have?
14. How many protons, neutron, and electrons does N-3 have?
15. How many protons, neutron, and electrons does Pb-210 have?
16. What element has 21 protons and 24 neutrons?
17. What cation has 10 electrons?
18. What anion has 10 electrons?
19. Calculate the average atomic mass of Chlorine which has 75% of Cl-35 and 25% of Cl-37.
20. Subatomic Particle summary
Subatomic
Symbol
Charge
Mass
Discovered
Year
Experiment
particle
by
Proton
Electron
Neutron
Electron Configuration
21. How many different orbitals does the following sub-levels have:
a. S sub level
b. P sub level
c. D sub level
d. F sub level
22. How many electrons can each sub-level hold
a. S sub level
b. P sub level
c. D sub level
d. F sub level
23. How many paired and unpaired P electrons does Fluorine have?
24. How many paired and unpaired electrons does Boron have?
25. How many paired and unpaired D electrons does Cobalt have?
26. Give the electron configuration for a neutral atom of beryllium.
27. Give the electron configuration for a neutral atom of chlorine.
28. Write the electron configuration for chromium.
29. What is the electron configuration of oxygen?
30. What is the electron configuration of sulfur?
31. Give the electron configuration for calcium the ion.
32. Give the electron configuration for the oxygen ion.
33. Give the electron configurations for iodine and its 1– ion.
34. Give the electron configuration for the chloride ion.
35. How many electrons are in the third energy level of Nickel?
36. How many electrons are in the second energy level of Argon?
Periodic Table and Trends
37. What is the name of the following groups
a. Group 1
b. Group 2
c. Group 17
d. Group 18
e. D- block
f. F-block
38. How are the elements arranged on the periodic table?
39. Why do element in the same family have similar chemical properties?
40. What type of elements is found in the upper right hand part of the periodic table?
41. What type of elements is found in the lower left hand part of the periodic table?
42. Where are metalloids found on the periodic table?
43. From which orbital in a lithium atom is an electron transferred to form Li ?
44. What orbital is filled when iodine gains an electron to become a negative ion?
45. In which group in the periodic table do the elements have the highest electronegativity values?
46. How many electrons are in the highest occupied energy level of a neutral strontium atom?
47. How many electrons are in the highest occupied energy level of copper?
48. How many electrons are present in the d sublevel of a neutral atom of nickel?
49. The ionization energy of elements _______________ as you go from left to right and ___________ as
you go from top to bottom.
50. The electronegativity of elements _______________ as you go from left to right and ___________ as
you go from top to bottom.
51. The atomic radius of elements _______________ as you go from left to right
52. Why does the radius do this?
53. The atomic radius of element ___________ as you go from top to bottom.
54. Why does the radius do this?
55. The ionic radius of elements _______________ as you go from left to right and ___________ as you go
from top to bottom