Periodic Trends Worksheet Page 8
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18Honors Chemistry - Michalek
8
Unit 06 Periodic Trends
Unit 06 – Periodic Trends
NAME: ______________________
Worksheet 6.03 – Atomic Radius and Ionic Radius
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
2+
2+
Mn
ion or Fe
ion
Strontium atom or Lithium atom
2−
3−
Nitrogen atom or Phosphorus atom
O
ion or P
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
3−
2−
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
Calcium atom or Selenium atom
Nitrogen atom or Rubidium atom
Radium atom or Francium atom
Barium atom, Ba or Sulfur atom, S
2−
2−
Negative S
ion or Neutral S atom
Barium atom, Ba or Sulfide ion, S
2−
2+
Carbon atom or Selenium atom
Barium ion, Ba
or Sulfide ion, S
Argon atom or Sulfur atom
Titanium atom or Copper atom
1−
1−
1+
1+
K
ion or Cl
ion
Lithium ion, Li
or Fluoride ion, F
3+
2+
Gadolinium atom or Plutonium atom
Fe
ion or Fe
ion
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