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Covalent radius
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==Average radii== The values in the table below are based on a statistical analysis of more than 228,000 experimental bond lengths from the Cambridge Structural Database.<ref name="CSD">{{cite journal|author1=Beatriz Cordero |author2=Verónica Gómez |author3=Ana E. Platero-Prats |author4=Marc Revés |author5=Jorge Echeverría |author6=Eduard Cremades |author7=Flavia Barragán |author8=Santiago Alvarez |s2cid=244110 |title=Covalent radii revisited | journal=Dalton Trans.|year=2008|pages=2832–2838|doi=10.1039/b801115j|issue=21|pmid=18478144 }}</ref> For carbon, values are given for the different [[Orbital hybridisation|hybridisations]] of the orbitals. {| style="text-align: center; border: none; min-width:70em" cellpadding="2" cellspacing="0" |+ '''Covalent radii in pm from analysis of the [[Cambridge Structural Database]], which contains about 1,030,000 crystal structures'''<ref name="CSD"/> |- style="background: #7DF9FF;" |H |colspan="17" style="background: #ffffff;" | |He |- style="background: #efefef;" |1||colspan="17" style="background: #ffffff;"| ||2 |- |31(5)||colspan="17" | ||28 |- style="background: #7DF9FF;" |Li||Be||colspan="11" style="background: #ffffff;"| ||B||C||N||O||F||Ne |- style="background: #efefef;" |3||4||colspan="11" style="background: #ffffff;"|Radius ([[standard deviation]]) / [[Picometre|pm]] |5||6||7||8||9||10 |- valign="top" |128(7)||96(3)||colspan="11" | ||84(3)||sp<sup>3</sup> 76(1)<br>sp<sup>2</sup> 73(2)<br>sp 69(1)||71(1)||66(2)||57(3)||58 |- style="background: #7DF9FF;" |Na||Mg||colspan="11" style="background: #ffffff;" | ||Al||Si||P||S||Cl||Ar |- style="background: #efefef;" |11||12||colspan="11" style="background: #ffffff;" | ||13||14||15||16||17||18 |- |166(9)||141(7)|| colspan="11" | ||121(4)||111(2)||107(3)||105(3)||102(4)||106(10) |- style="background: #7DF9FF;" |K||Ca||style="background: #ffffff;" | ||Sc||Ti||V||Cr||Mn||Fe||Co||Ni||Cu||Zn||Ga||Ge||As||Se||Br||Kr |- style="background: #efefef;" |19||20||style="background: #ffffff;" | ||21||22||23||24||25||26||27||28||29||30||31||32||33||34||35||36 |- valign="top" |203(12)||176(10)||style="background: #ffffff;" | ||170(7)||160(8)||153(8)||139(5)||l.s. 139(5)<br>h.s. 161(8)||l.s. 132(3)<br>h.s. 152(6)||l.s. 126(3)<br>h.s. 150(7)||124(4)||132(4)||122(4)||122(3)||120(4)||119(4)||120(4)||120(3)||116(4) |- style="background: #7DF9FF;" |Rb||Sr||style="background: #ffffff;" | ||Y||Zr||Nb||Mo||Tc||Ru||Rh||Pd||Ag||Cd||In||Sn||Sb||Te||I||Xe |- style="background: #efefef;" |37||38||style="background: #ffffff;" | ||39||40||41||42||43||44||45||46||47||48||49||50||51||52||53||54 |- |220(9)||195(10)|| ||190(7)||175(7)||164(6)||154(5)||147(7)||146(7)||142(7)||139(6)||145(5)||144(9)||142(5)||139(4)||139(5)||138(4)||139(3)||140(9) |- style="background: #7DF9FF;" |Cs||Ba||style="background: #ffffff;" |*||Lu||Hf||Ta||W||Re||Os||Ir||Pt||Au||Hg||Tl||Pb||Bi||Po||At||Rn |- style="background: #efefef;" |55||56||style="background: #ffffff;" | ||71||72||73||74||75||76||77||78||79||80||81||82||83||84||85||86 |- |244(11)||215(11)|| ||187(8)||175(10)||170(8)||162(7)||151(7)||144(4)||141(6)||136(5)||136(6)||132(5)||145(7)||146(5)||148(4)||140(4)||150||150 |- style="background: #7DF9FF;" |Fr||Ra||style="background: #ffffff;"|** |- style="background: #efefef;" |87||88 |- |260||221(2) |- | |- style="background: #7DF9FF;" |colspan="2" style="background: #ffffff;"| ||style="background: #ffffff;"|*||La||Ce||Pr||Nd||Pm||Sm||Eu||Gd||Tb||Dy||Ho||Er||Tm||Yb |- style="background: #efefef;" |colspan="3" style="background: #ffffff;"| ||57||58||59||60||61||62||63||64||65||66||67||68||69||70 |- |colspan="3" style="background: #ffffff;"| ||207(8)||204(9)||203(7)||201(6)||199||198(8)||198(6)||196(6)||194(5)||192(7)||192(7)||189(6)||190(10)||187(8) |- style="background: #7DF9FF;" |colspan="2" style="background: #ffffff;"| ||style="background: #ffffff;"|**||Ac||Th||Pa||U||Np||Pu||Am||Cm |- style="background: #efefef;" |colspan="3" style="background: #ffffff;"| ||89||90||91||92||93||94||95||96 |- |colspan="3" style="background: #ffffff;"| ||215||206(6)||200||196(7)||190(1)||187(1)||180(6)||169(3) |}
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