Ap Chemistry Michalek - Unit 7: Atomic Structure And Periodicity Worksheet Page 28
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29AP Chemistry--Michalek
28
Unit 7 Atomic Structure and Periodicity
Worksheet 7.07
Name______________________________
Periodicity
For each of the following pairs, circle the atom or ion that is larger. Use the periodic table to assist you.
1+
2+
Magnesium atom or Sodium atom
Cs
ion or Ca
ion
Iodine atom or Chlorine atom
Silicon atom or Fluorine atom
2+
Positive Sr
ion or Neutral Sr atom
Selenium atom or Gold atom
Fluorine atom or Sulfur atom
Aluminum atom or Helium atom
Sodium atom or Barium atom
Xenon atom or Silver atom
2+
3−
2−
Neutral Co atom or Positive Co
ion
N
ion or S
ion
3−
3+
P
ion or Al
ion
Cobalt atom or Cesium atom
For each of the following pairs, circle the element that has the larger ionization energy. Use the periodic table to assist
you.
Li or N
Cl or Se
Li or K
Cl or B
Li or Sc
Br or Pd
Mg or Rb
F or Fe
Mg or C
F or Na
Mg or Cl
V or Mo
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