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Element

Orbital Radius

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Actinium

189.5 pm

Aluminum

131.2 pm

Americium

175.7 pm

Antimony

119.3 pm

Argon

 65.9 pm

Arsenic

100.1 pm

Astatine

114.6 pm

Barium

206.0 pm

Berkelium

162.6 pm

Beryllium

104.0 pm

Bismuth

129.5 pm

Boron

 77.6 pm

Bromine

 85.1 pm

Cadmium

118.4 pm

Calcium

169.0 pm

Californium

159.8 pm

Carbon

 62.0 pm

Cerium

197.8 pm

Cesium

251.8 pm

Chlorine

 72.5 pm

Chromium

145.3 pm

Cobalt

118.1 pm

Copper

119.1 pm

Curium

165.7 pm

Dysprosium

175.0 pm

Einsteinium

157.6 pm

Erbium

170.3 pm

Europium

182.6 pm

Fermium

155.7 pm

Fluorine

 39.6 pm

Francium

244.7 pm

Gadolinium

171.3 pm

Gallium

125.4 pm

Germanium

109.0 pm

Gold

118.7 pm

Hafnium

147.6 pm

Helium

 29.1 pm

Holmium

172.7 pm

Hydrogen

 52.9 pm

Indium

138.2 pm

Iodine

104.4 pm

Iridium

122.7 pm

Iron

122.7 pm

Krypton

 79.5 pm

Lanthanum

191.5 pm

Lead

121.5 pm

Lithium

158.6 pm

Lutetium

155.3 pm

Magnesium

127.9 pm

Manganese

127.8 pm

Mendelevium

152.7 pm

Mercury

112.6 pm

Molybdenum

152.0 pm

Neodymium

191.2 pm

Neon

 35.4 pm

Neptunium

174.1 pm

Nickel

113.9 pm

Niobium

158.9 pm

Nitrogen

 52.1 pm

Nobelium

158.1 pm

Osmium

126.6 pm

Oxygen

 45.0 pm

Palladium

 56.7 pm

Phosphorus

 91.9 pm

Platinum

122.1 pm

Plutonium

178.4 pm

Polonium

121.2 pm

Potassium

216.2 pm

Praseodymium

194.2 pm

Promethium

188.2 pm

Protactinium

180.4 pm

Radium

204.2 pm

Radon

109.0 pm

Rhenium

131.0 pm

Rhodium

136.4 pm

Rubidium

228.7 pm

Ruthenium

141.0 pm

Samarium

185.4 pm

Scandium

157.0 pm

Selenium

 91.8 pm

Silicon

106.8 pm

Silver

128.6 pm

Sodium

171.3 pm

Strontium

183.6 pm

Sulfur

 81.0 pm

Tantalum

141.3 pm

Technetium

139.1 pm

Tellurium

111.1 pm

Terbium

177.5 pm

Thallium

131.9 pm

Thorium

178.8 pm

Thulium

168.1 pm

Tin

124.0 pm

Titanium

147.7 pm

Tungsten

136.0 pm

Uranium

177.5 pm

Vanadium

140.1 pm

Xenon

 98.6 pm

Ytterbium

165.8 pm

Yttrium

169.3 pm

Zinc

106.5 pm

Zirconium

159.3 pm

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

Silbey, Robert J., Robert A. Alberty, and Moungi G. Bawendi. Physical Chemistry, 4th edition. Hoboken, NJ: John Wiley & Sons, Inc., 2005.

Waber, J. T., and Don T. Cromer. "Orbital Radii of Atoms and Ions." Journal of Chemical Physics, volume 42, number 12, 1965, pp. 4116–4123. doi:10.1063/1.1695904

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