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Element

Cordero Covalent Radius

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Actinium

215 pm

Aluminum

121 pm

Americium

180 pm

Antimony

139 pm

Argon

106 pm

Arsenic

119 pm

Astatine

150 pm

Barium

215 pm

Beryllium

 96 pm

Bismuth

148 pm

Boron

 84 pm

Bromine

120 pm

Cadmium

144 pm

Calcium

176 pm

Carbon

sp3 hybridization

 76 pm

sp2 hybridization

 73 pm

sp hybridization

 69 pm

Cerium

204 pm

Cesium

244 pm

Chlorine

102 pm

Chromium

139 pm

Cobalt

low spin

126 pm

high spin

150 pm

Copper

132 pm

Curium

169 pm

Dysprosium

192 pm

Erbium

189 pm

Europium

198 pm

Fluorine

 57 pm

Francium

260 pm

Gadolinium

196 pm

Gallium

122 pm

Germanium

120 pm

Gold

136 pm

Hafnium

175 pm

Helium

 28 pm

Holmium

192 pm

Hydrogen

 31 pm

Indium

142 pm

Iodine

139 pm

Iridium

141 pm

Iron

low spin

132 pm

high spin

152 pm

Krypton

116 pm

Lanthanum

207 pm

Lead

146 pm

Lithium

128 pm

Lutetium

187 pm

Magnesium

141 pm

Manganese

low spin

139 pm

high spin

161 pm

Mercury

132 pm

Molybdenum

154 pm

Neodymium

201 pm

Neon

 58 pm

Neptunium

190 pm

Nickel

124 pm

Niobium

164 pm

Nitrogen

 71 pm

Osmium

144 pm

Oxygen

 66 pm

Palladium

139 pm

Phosphorus

107 pm

Platinum

136 pm

Plutonium

187 pm

Polonium

140 pm

Potassium

203 pm

Praseodymium

203 pm

Promethium

199 pm

Protactinium

200 pm

Radium

221 pm

Radon

150 pm

Rhenium

151 pm

Rhodium

142 pm

Rubidium

220 pm

Ruthenium

146 pm

Samarium

198 pm

Scandium

170 pm

Selenium

120 pm

Silicon

111 pm

Silver

145 pm

Sodium

166 pm

Strontium

195 pm

Sulfur

105 pm

Tantalum

170 pm

Technetium

147 pm

Tellurium

138 pm

Terbium

194 pm

Thallium

145 pm

Thorium

206 pm

Thulium

190 pm

Tin

139 pm

Titanium

160 pm

Tungsten

162 pm

Uranium

196 pm

Vanadium

153 pm

Xenon

140 pm

Ytterbium

187 pm

Yttrium

190 pm

Zinc

122 pm

Zirconium

175 pm

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

Cordero, Beatriz, Verónica Gómez, Ana E. Platero-Prats, Marc Revés, Jorge Echeverría, Eduard Cremades, Flavia Barragán, and Santiago Alvarez. "Covalent Radii Revisited." Dalton Transactions, number 21, 2008, pp 2832–2838. doi:10.1039/b801115j

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