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Element

Ion Charge

Pauling Empirical Crystal Radius

Click button to see citations

Actinium

+3

118 pm

Americium

+3

106 pm

+4

 92 pm

Antimony

-3

245 pm

+5

 62 pm

Arsenic

-3

222 pm

+5

 47 pm

Barium

+2

135 pm

Beryllium

+2

 31 pm

Bismuth

+5

 74 pm

Bromine

-1

195 pm

Cadmium

+2

 97 pm

Calcium

+2

 99 pm

Carbon

-4

260 pm

+4

 15 pm

Cerium

+3

111 pm

+4

101 pm

Cesium

+1

169 pm

Chlorine

-1

181 pm

Chromium

+2

 84 pm

+3

 69 pm

+4

 56 pm

Cobalt

+2

 74 pm

+3

 63 pm

Copper

+1

 96 pm

Dysprosium

+3

 99 pm

Erbium

+3

 96 pm

Europium

+2

112 pm

+3

103 pm

Fluorine

-1

136 pm

Francium

+1

176 pm

Gadolinium

+3

102 pm

Gallium

+1

113 pm

+3

 62 pm

Germanium

-4

272 pm

+2

 93 pm

+4

 53 pm

Gold

+1

137 pm

Hafnium

+4

 81 pm

Holmium

+3

 97 pm

Hydrogen

-1

208 pm

Indium

+1

132 pm

+3

 81 pm

Iodine

-1

216 pm

Iron

+2

 76 pm

+3

 64 pm

Lanthanum

+3

115 pm

Lead

+2

120 pm

+4

 84 pm

Lithium

+1

 60 pm

Lutetium

+3

 93 pm

Magnesium

+2

 65 pm

Manganese

+2

 80 pm

+3

 66 pm

+4

 54 pm

+7

 46 pm

Mercury

+2

110 pm

Molybdenum

+6

 62 pm

Neodymium

+3

108 pm

Neptunium

+3

109 pm

+4

 95 pm

Nickel

+2

 72 pm

+3

 62 pm

Niobium

+5

 70 pm

Nitrogen

-3

171 pm

+5

 11 pm

Oxygen

-2

140 pm

Palladium

+2

 86 pm

Phosphorus

-3

212 pm

+5

 34 pm

Plutonium

+3

107 pm

+4

 93 pm

Potassium

+1

133 pm

Praseodymium

+3

109 pm

+4

 92 pm

Promethium

+3

106 pm

Protactinium

+3

112 pm

+4

 98 pm

Radium

+2

140 pm

Rubidium

+1

148 pm

Samarium

+3

104 pm

Scandium

+3

 81 pm

Selenium

-2

198 pm

Silicon

-4

271 pm

+4

 41 pm

Silver

+1

126 pm

Sodium

+1

 95 pm

Strontium

+2

113 pm

Sulfur

-2

184 pm

Tellurium

-2

221 pm

Terbium

+3

100 pm

Thallium

+1

140 pm

+3

 95 pm

Thorium

+3

114 pm

Thulium

+3

 95 pm

Tin

-4

294 pm

+2

112 pm

+4

 71 pm

Titanium

+2

 90 pm

+3

 76 pm

+4

 68 pm

Uranium

+3

111 pm

+4

 97 pm

Vanadium

+2

 88 pm

+3

 74 pm

+4

 60 pm

Ytterbium

+2

113 pm

+3

 94 pm

Yttrium

+3

 93 pm

Zinc

+2

 74 pm

Zirconium

+4

 80 pm

References    (Click the button next to a value above to see complete citation information for that entry)

Galasso, Francis S. Structure and Properties of Inorganic Solids. Oxford: Pergamon Press, 1970.

Pauling, Linus. The Nature of the Chemical Bond, 3rd edition. Ithaca, NY: Cornell University Press, 1960.

Rohrer, Gregory S. Structure and Bonding in Crystalline Materials. Cambridge: Cambridge University Press, 2001.

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