#START HEADER "#This document represents an effort to regroup information about the elements into a single, publically available document" "#This document is composed from data coming from multiple sources. While every attempt is made to ensure the acurracy of the data," #no guarantee is given. Therefore regard this document as a guide and not an ultimate reference. # #lines beginning with '#' are comment lines #Note: States are at normal temperature and pressure ~ 20¡C ( or ~ 300K) & 1atm # #This document is in the public domain. If you see any inacurracies please could you let me know. Address is available at http://www.geocities.com/ajmas #END HEADER #units: Angstroms Angstroms Picometre Kelvin Kelvin kilojoules/mole cubic centimeters/mole kilojoules/mole at 20¡C & 1atm grams/cubic centimeter Pauling Joules/gram/degree Kelvin "first, second, third" Watts/meter/degree Kelvin http://environmentalchemistry.com/yogi/periodic/ http://www.webelements.com http://personalpages.umist.ac.uk/staff/S.Schroeder/06bcd690.gif http://www.chemicalelements.com/show/crystalstructure.html http://webspinners.futura.net/apurdy my 'guess' #general general general general general general general atomic proprties atomic proprties atomic proprties atomic proprties physical properties physical properties physical properties physical properties physical properties physical properties physical properties misc misc misc misc misc atomic # symbol group-new_iupac group-old_iupac group-cas period block atomic_weight atomic_radius covalent_radius van der Waals radius oxidation_states crystal structure electron_config melting_point boiling_point heat_of_fusion atomic_volume heat_of_vaporization state density electron_negativity specific_heat_capacity ionization_potential thermal_conductivity radioactive crystal_structure optical_refractive_index-gas optical_refractive_index-liquid 1 H 1 IA IA 1 s 1.00794(7) 2.08 0.32 120 1 1s1 13.81 20.28 0.05868 14.1 0.4581 gas 0.0899 2.2 14.304 13.598 0.1815 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 1.000132 1.12 2 He 18 VIII VIA 1 s 4.002602(2) 0.93 1s2 0.95 4.216 0.021 31.8 0.0845 gas 0.1785 5.193 "24.587, 54.416" 0.152 FALSE hex CCP - cubic close-packed hcp hex hex 1.000035 1.028 3 Li 1 IIA IA 2 s [6.941(2)] 1.55 1.23 1 1s2 2s1 453.7 1615 3 13.1 147.1 solid 0.53 0.98 3.582 "5.392, 76.638, 122.451" 84.7 FALSE CBC BCC bcc cub hex 4 Be 18 VIII VIA 2 s 9.012182(3) 1.12 0.9 2 1s2 2s2 1560 3243 11.71 5 297 solid 1.85 1.57 1.825 "9.322, 18.211, 153.893" 200 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 5 B 13 IIIB IIIA 2 p 10.811(7) 0.98 0.82 3 1s2 2s2 p1 2365 4275 22.6 4.6 507.8 solid 2.34 2.04 1.026 "8.298, 25.154, 37.93" 27 FALSE rhom rhom rhom rhom hex 6 C 14 IVB IVA 2 p 12.0107(8) 0.91 0.77 "+/-4, 2" 1s2 2s2 p2 3825 5100 5.3 715 solid 2.26 2.55 0.709 "11.26, 24.383, 47.887" 155 FALSE hex HCP - hexagonal close-packed diamond hex hex 7 N 15 VB VA 2 p 14.0067(2) 0.92 0.75 "+/-3, 5, 4, 2" 1s2 2s2 p3 63.15 77.344 0.36 17.3 2.7928 gas 1.251 3.04 1.042 "14.534, 29.601, 47.448" 0.02598 FALSE hex HCP - hexagonal close-packed cubic hex hex 8 O 16 VIB VIA 2 p 15.9994(3) 0.65 0.73 -2 1s2 2s2 p4 54.8 90.188 0.222 14 3.4109 gas 1.429 3.44 0.92 "13.618, 35.117, 54.934" 0.2674 FALSE cub monoclinic complex cub hex 9 F 17 VIIB VIIA 2 p 18.9984032(5) 0.57 0.72 -1 1s2 2s2 p5 53.55 85 0.26 17.1 3.2698 gas 1.696 3.98 0.824 "17.422, 34.97, 62.707" 0.0279 FALSE cub monoclinic cub hex 10 Ne 18 VIII VIIIA 2 p 20.1797(6) 0.51 0.71 1s2 2s2 p6 24.55 27.1 0.34 16.9 1.77 gas 0.9 1.03 "21.564, 40.962, 63.45" 0.0493 FALSE FCC CCP - cubic close-packed fcc cub hex fcc 11 Na 1 IA IA 3 s 22.989770(2) 1.9 1.54 1 [Ne] 3s1 371 1156 2.601 23.7 98.01 solid 0.97 0.93 1.23 "5.139, 47.286, 71.641" 141 FALSE BCC BCC - body centered-cubic bcc cub hex bcc 12 Mg 2 IIA IIA 3 s 24.3050(6) 1.6 1.36 2 [Ne] 3s2 922 1380 8.95 14 127.6 solid 1.74 1.31 1.02 "7.646, 15.035, 80.143" 156 FALSE hex HCP - hexagonal close-packed hcp hex hex 13 Al 13 IIIB IIIA 3 p 26.981538(2) 1.43 1.18 3 [Ne] 3s2 p1 933.5 2740 10.7 10 290.8 solid 2.7 1.61 0.9 5.986 237 FALSE FCC CCP - cubic close-packed fcc cub hex fcc 14 Si 14 IVB IVA 3 p 28.0855(3) 1.32 1.11 4 [Ne] 3s2 p2 1683 2630 50.2 12.1 359 solid 2.33 1.9 0.7 8.151 148 FALSE FCC diamond diamond cub diamond 15 P 15 VB VA 3 p 30.973761(2) 1.28 1.06 "+/-3, 5, 4" [Ne] 3s2 p3 317.3 553 0.63 17 12.4 solid 1.82 2.19 0.769 10.486 0.235 FALSE mono triclinic complex mono triclinic 16 S 16 VIB VIA 3 p 32.065(5) 1.27 1.02 "+/-2, 4, 6" [Ne] 3s2 p4 392.2 717.82 1.73 15.5 10 solid 2.07 2.58 0.71 10.36 0.269 FALSE ortho ortho complex ortho ortho ortho 17 Cl 17 VIIB VIIA 3 p 35.453(2) 0.97 0.99 "+/-1, 3, 5, 7" [Ne] 3s2 p5 172.17 239.18 3.21 18.7 10.2 gas 3.214 3.16 0.48 12.967 0.0089 FALSE ortho ortho complex ortho ortho ortho 18 Ar 18 VIII VIIIA 3 p 39.948(1) 0.88 0.98 [Ne] 3s2 p6 83.95 87.45 1.188 24.2 6.506 gas 1.784 0.52 15.759 0.0177 FALSE FCC CCP - cubic close-packed fcc cub cub 19 K 1 IA IA 4 s 39.0983(1) 2.35 2.03 1 [Ar] 4s1 336.8 1033 2.33 45.3 76.9 solid 0.86 0.82 0.757 "4.341, 31.625, 45.72" 102.5 FALSE BCC BCC - body centered-cubic bcc cub cub 20 Ca 2 IIA IIA 4 s 40.078(4) 1.97 1.74 2 [Ar] 4s2 1112 1757 8.53 29.9 154.67 solid 1.55 1 0.647 "6.113, 11.871, 50.908" 200 FALSE FCC CCP - cubic close-packed fcc cub cub 21 Sc 3 IIIA IIIB 4 d 44.955910(8) 1.62 1.44 3 [Ar] 3d1 4s2 1814 3109 16.11 15 304.8 solid 2.99 1.36 0.568 6.54 15.8 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 22 Ti 4 IVA IVB 4 d 47.867(1) 1.45 1.32 "4, 3" [Ar] 3d2 4s2 1945 3560 18.6 10.6 425.2 solid 4.54 1.54 0.523 6.82 21.9 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 23 V 5 VA VB 4 d 50.9415(1) 1.34 1.22 "5, 4, 3, 2" [Ar] 3d3 4s2 2163 3650 20.8 8.35 446.7 solid 6.11 1.63 0.489 6.74 30.7 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 24 Cr 6 VIA VIB 4 d 51.9961(6) 1.3 1.18 "6, 3, 2" [Ar] 3d5 4s1 2130 2945 20 7.23 339.5 liquid 7.19 1.66 0.449 6.766 93.7 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 25 Mn 7 VIIA VIIB 4 d 54.938049(9) 1.35 1.17 "7, 6, 4, 2, 3" [Ar] 3d5 4s2 1518 2335 14.64 7.39 219.74 solid 7.44 1.55 0.48 7.435 7.82 FALSE BCC cubic cubic cub cub 26 Fe 8 VIIIA VIII 4 d 55.845(2) 1.26 1.17 "2, 3" [Ar] 3d6 4s2 1808 3023 13.8 7.1 349.5 solid 7.874 1.83 0.449 7.87 80.2 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 27 Co 9 VIIIA VIII 4 d 58.933200(9) 1.25 1.16 "2, 3" [Ar] 3d7 4s2 1768 3143 16.19 6.7 373.3 solid 8.9 1.88 0.421 7.86 100 FALSE hex HCP - hexagonal close-packed hcp hex hex 28 Ni 10 VIIIA VIII 4 d 58.6934(2) 1.24 1.15 "2, 3" [Ar] 3d8 4s2 1726 3005 17.2 6.6 377.5 solid 8.9 1.91 0.444 7.635 90.7 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 29 Cu 11 IB IB 4 d 63.546(3) 1.28 1.17 "2, 1" [Ar] 3d10 4s1 1356.6 2840 13.14 7.1 300.5 solid 8.96 1.9 0.385 7.726 401 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 30 Zn 12 IIB IIB 4 d 65.409(4) 1.38 1.25 2 1s2 692.73 1180 7.38 9.2 115.3 solid 7.13 1.65 0.388 9.394 116 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 31 Ga 13 IIIB IIIA 4 p 69.723(1) 1.41 1.26 3 [Ar] 3d10 4s2 p1 302.92 2478 5.59 11.8 256.06 solid 5.91 1.81 0.371 5.999 40.6 FALSE ortho ortho complex ortho ortho ortho 32 Ge 14 IVB IVA 4 p 72.64(1) 1.37 1.22 4 [Ar] 3d10 4s2 p2 1211.5 3107 31.8 13.6 334.3 solid 5.32 2.01 0.32 7.899 59.9 FALSE FCC CCP - cubic close-packed diamond cub cub 33 As 15 VB VA 4 p 74.92160(2) 1.39 1.2 "+/-3, 5" [Ar] 3d10 4s2 p3 1090 876 27.7 13.1 32.4 solid 5.78 2.18 0.33 9.81 50 FALSE rhom trigonal rhom rhom rhom 34 Se 16 VIB VIA 4 p 78.96(3) 1.4 1.16 "-2, 4, 6" [Ar] 3d10 4s2 p4 494 958 5.54 16.5 26.32 solid 4.79 2.55 0.32 9.752 2.04 FALSE hex monoclinic hex. hex hex 35 Br 17 VIIB VIIA 4 p 79.904(1) 1.12 1.14 "+/-1, 5" [Ar] 3d10 4s2 p5 265.95 331.85 5.286 23.5 14.725 solid 3.12 2.96 0.226 11.814 0.122 FALSE ortho ortho complex ortho ortho ortho 36 Kr 18 VIII VIIIA 4 p 83.798(2) 1.03 1.89 [Ar] 3d10 4s2 p6 116 120.85 1.638 32.2 9.029 gas 3.75 0.248 13.999 0.00949 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 37 Rb 1 IA IA 5 s 85.4678(3) 2.48 2.16 1 [Kr] 5s1 312.63 961 2.34 55.9 69.2 solid 1.532 0.82 0.363 4.177 58.2 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 38 Sr 2 IIA IIA 5 s 87.62(1) 2.15 1.91 2 [Kr] 5s2 1042 1655 8.2 33.7 136.9 solid 2.54 0.95 0.3 5.695 35.3 FALSE FCC CCP - cubic close-packed fcc cub hex fcc 39 Y 3 IIIA IIIB 5 d 88.90585(2) 1.78 1.62 3 [Kr] 4d1 5s2 1795 3611 17.5 19.8 363.3 solid 4.47 1.22 0.3 6.38 17.2 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 40 Zr 4 IVA IVB 5 d 91.224(2) 1.6 1.45 4 [Kr] 4d2 5s2 2128 4682 21 14.1 590.5 solid 6.51 1.33 0.278 6.84 22.7 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 41 Nb 5 VA VB 5 d 92.90638(2) 1.46 1.34 "5, 3" [Kr] 4d4 5s1 2742 5015 26.9 10.8 690.1 solid 8.57 1.6 0.265 6.88 53.7 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 42 Mo 6 VIA VIB 5 d 95.94(2) 1.39 1.3 "6, 5, 4, 3, 2" [Kr] 4d5 5s1 2896 4912 36 9.4 590.4 solid 10.22 2.16 0.25 7.099 138 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 43 Tc 7 VIIA VIIB 5 d [98] 1.36 1.27 7 [Kr] 4d5 5s2 2477 4538 23 8.5 502 synthetic 11.5 1.9 0.24 7.28 50.6 TRUE hex HCP - hexagonal close-packed hcp hex hex hcp 44 Ru 8 VIIIA VIII 5 d 101.07(2) 1.34 1.25 "2, 3, 4, 6, 8" [Kr] 4d7 5s1 2610 4425 25.52 8.3 567.77 solid 12.37 2.2 0.238 7.37 117 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 45 Rh 9 VIIIA VIII 5 d 102.90550(2) 1.34 1.25 "2, 3, 4" [Kr] 4d8 5s1 2236 3970 21.76 8.3 495.39 solid 12.41 2.28 0.242 7.46 150 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 46 Pd 10 VIIIA VIII 5 d 106.42(1) 1.37 1.28 "2, 4" [Kr] 4d10 1825 3240 16.74 8.9 393.3 solid 12 2.2 0.244 8.34 71.8 FALSE FCC CCP - cubic close-packed fcc cub cub ccp 47 Ag 11 IB IB 5 d 107.8682(2) 1.44 1.34 1 [Kr] 4d10 5s1 1235.08 2436 11.3 10.3 250.63 solid 10.5 1.93 0.232 7.576 429 FALSE FCC CCP - cubic close-packed fcc cub cub ccp 48 Cd 12 IIB IIB 5 d 112.411(8) 1.71 1.41 2 [Kr] 4d10 5s2 594.26 1040 6.07 13.1 99.87 solid 8.65 1.69 0.233 8.993 96.8 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 49 In 13 IIIB IIIA 5 p 114.818(3) 1.66 1.44 3 [Kr] 4d10 5s2 p1 429.78 2350 3.26 15.7 226.35 solid 7.31 1.78 0.233 5.786 81.6 FALSE tet tetragonal tet tet tet tet 50 Sn 14 IVB IVA 5 p 118.710(7) 1.62 1.41 "4, 2" [Kr] 4d10 5s2 p2 505.12 2876 7.2 16.3 290.37 solid 7.31 1.96 0.228 7.344 66.6 FALSE tet tetragonal diamond tet tet tet 51 Sb 15 VB VA 5 p 121.760(1) 1.59 1.4 "+/-3, 5" [Kr] 4d10 5s2 p3 903.91 1860 19.83 18.4 67.97 solid 6.69 2.05 0.207 8.641 24.3 FALSE rhom trigonal rhom rhom trigonal 52 Te 16 VIB VIA 5 p 127.60(3) 1.42 1.36 "-2, 4, 6" [Kr] 4d10 5s2 p4 722.72 1261 17.49 20.5 50.63 solid 6.24 2.1 0.202 9.009 2.35 FALSE hex trigonal hex. hex trigonal 53 I 17 VIIB VIIA 5 p 126.90447(3) 1.32 1.33 "+/-1, 5, 7" [Kr] 4d10 5s2 p2 386.7 457.5 7.76 25.7 20.9 solid 4.93 2.66 0.145 10.451 0.449 FALSE ortho ortho complex ortho ortho ortho 54 Xe 18 VIII VIIIA 5 p 131.293(6) 1.24 1.31 [Kr] 4d10 5s2 p6 161.39 165.1 2.3 42.9 12.64 gas 5.9 2.6 0.158 12.13 0.00569 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 55 Cs 1 IA IA 6 s 132.90545(2) 2.67 2.35 1 [Xe] 6s1 301.54 944 2.092 70 67.74 solid 1.87 0.79 0.24 3.894 35.9 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 56 Ba 2 IIA IIA 6 s 137.327(7) 2.22 1.98 2 [Xe] 6s2 1002 2078 8.01 39 140.2 solid 3.59 0.89 0.204 5.212 18.4 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 57 La 3 IIIA IIIB 6 f 138.9055(2) 1.38 1.25 3 [Xe] 5d1 6s2 1191 3737 11.3 22.5 399.57 solid 6.15 1.1 0.19 5.58 13.5 FALSE hex HCP - hexagonal close-packed hex. hex cub 58 Ce 6 f 140.116(1) 1.81 1.65 "3, 4" [Xe] 4f1 5d1 6s2 1071 3715 9.2 21 313.8 solid 6.77 1.12 0.19 5.47 11.4 FALSE FCC HCP - hexagonal close-packed fcc cub hex 59 Pr 6 f 140.90765(2) 1.82 1.65 "3, 4" [Xe] 4f3 6s2 1204 3785 10.04 20.8 332.63 solid 6.77 1.13 0.193 5.42 12.5 FALSE hex HCP - hexagonal close-packed hex. hex hex 60 Nd 6 f 144.24(3) 1.82 1.64 3 [Xe] 4f4 6s2 1294 3347 10.88 20.6 283.68 solid 7.01 1.14 0.19 5.49 16.5 FALSE hex HCP - hexagonal close-packed hex. hex hex 61 Pm 6 f [145] 1.63 3 [Xe] 4f5 6s2 1315 3273 22.4 solid 7.22 1.13 5.55 17.9 TRUE hex hex hex 62 Sm 6 f 150.36(3) 1.81 1.62 "3, 2" [Xe] 4f6 6s2 1347 2067 11.09 19.9 191.63 solid 7.52 1.17 0.197 5.63 13.3 FALSE rhom trigonal complex rhom trigonal 63 Eu 6 f 151.964(1) 1.99 1.85 "3, 2" [Xe] 4f7 6s2 1095 1800 9.21 28.9 175.73 solid 5.24 1.2 0.182 5.67 13.9 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 64 Gd 6 f 157.25(3) 1.8 1.61 3 [Xe] 4f7 5d1 6s2 1585 3545 10.46 19.9 311.71 solid 7.9 1.2 0.236 6.15 10.6 FALSE hex HCP - hexagonal close-packed hcp hex cub hcp 65 Tb 6 f 158.92534(2) 1.8 1.59 "3, 4" [Xe] 4f9 6s2 1629 3500 15.48 19.2 solid 8.23 1.1 0.18 5.86 11.1 FALSE hex HCP - hexagonal close-packed hcp hex cub hcp 66 Dy 6 f 162.500(1) 1.8 1.59 3 [Xe] 4f10 6s2 1685 2840 19 230 solid 8.55 1.22 0.173 5.93 10.7 FALSE hex HCP - hexagonal close-packed hcp hex cub hcp 67 Ho 6 f 164.93032(2) 1.79 1.58 3 [Xe] 4f11 6s2 1747 2968 11.06 18.7 251.04 solid 8.8 1.23 0.165 6.02 16.2 FALSE hex HCP - hexagonal close-packed hcp hex cub hcp 68 Er 6 f 167.259(3) 1.78 1.57 3 [Xe] 4f12 6s2 1802 3140 17.15 18.4 292.88 solid 9.07 1.24 0.168 6.101 14.3 FALSE hex HCP - hexagonal close-packed hcp hex cub hcp 69 Tm 6 f 168.93421(2) 1.77 1.56 "3, 2" [Xe] 4f13 6s2 1818 2223 16.8 18.1 191 solid 9.32 1.25 0.16 6.184 16.8 FALSE hex HCP - hexagonal close-packed hcp hex cub hcp 70 Yb 6 f 173.04(3) 1.94 1.7 "3, 2" [Xe] 4f14 6s2 1092 1469 7.7 24.8 128 solid 6.97 1.1 0.155 6.254 34.9 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 71 Lu 6 f 174.967(1) 1.75 1.56 3 [Xe] 4f14 5d1 6s2 1936 3668 18.6 17.8 355 solid 9.84 1.27 0.15 5.43 16.4 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 72 Hf 4 IVA IVB 6 d 178.49(2) 1.67 1.44 4 [Xe] 4f14 5d2 6s2 2504 4875 21.76 13.6 661.07 solid 13.31 1.3 0.14 6.65 23 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 73 Ta 5 VA VB 6 d 180.9479(1) 1.49 1.34 5 [Xe] 4f14 5d3 6s2 3293 5730 36 10.9 737 solid 16.65 1.5 0.14 7.89 57.5 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 74 W 6 VIA VIB 6 d 183.84(1) 1.41 1.3 "6, 5, 4, 3, 2" [Xe] 4f14 5d4 6s2 3695 5825 35.4 9.53 422.58 solid 19.3 2.36 0.13 7.98 174 FALSE BCC BCC - body centered-cubic bcc cub cub bcc 75 Re 7 VIIA VIIB 6 d 186.207(1) 1.37 1.28 "7, 6, 4, 2, -1" [Xe] 4f14 5d5 6s2 3455 5870 33.05 8.85 707.1 solid 21 1.9 0.137 7.88 47.9 FALSE hex HCP - hexagonal close-packed hcp hex hex 76 Os 8 VIIIA VIII 6 d 190.23(3) 1.35 1.26 "2, 3, 4, 6, 8" [Xe] 4f14 5d6 6s2 3300 5300 29.29 8.43 627.6 solid 22.6 2.2 0.13 8.7 87.6 FALSE hex HCP - hexagonal close-packed hcp hex hex 77 Ir 9 VIIIA VIII 6 d 192.217(3) 1.36 1.27 "2, 3, 4, 6" [Xe] 4f14 5d7 6s2 2720 4700 26.36 8.54 563.58 solid 22.6 2.2 0.13 9.1 147 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 78 Pt 10 VIIIA VIII 6 d 195.078(2) 1.39 1.3 "2, 4" [Xe] 4f14 5d9 6s1 2042.1 4100 19.66 9.1 510.45 solid 21.45 2.28 0.13 9 71.6 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 79 Au 11 IB IB 6 d 196.96655(2) 1.46 1.34 "3, 1" [Xe] 4f14 5d10 6s1 1337.58 3130 12.36 10.2 324.43 solid 19.3 2.54 0.128 9.225 317 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 80 Hg 12 IIB IIB 6 d 200.59(2) 1.6 1.49 "2, 1" [Xe] 4f14 5d10 6s2 234.31 629.88 2.292 14.8 59.3 liquid 13.55 2 0.14 10.437 8.34 FALSE rhom rhom r rhom hex rhom 81 Tl 13 IIIB IIIA 6 p 204.3833(2) 1.71 1.48 "3, 1" [Xe] 4f14 5d10 6s2 p1 577 1746 4.27 17.2 162.09 solid 11.85 2.04 0.129 6.108 46.1 FALSE hex HCP - hexagonal close-packed hcp hex hex hcp 82 Pb 14 IVB IVA 6 p 207.2(1) 1.75 1.47 "4, 2" [Xe] 4f14 5d10 6s2 p2 600.65 2023 4.77 18.3 177.9 solid 11.35 2.33 0.129 7.416 35.3 FALSE FCC CCP - cubic close-packed fcc cub cub fcc 83 Bi 15 VB VA 6 p 208.98038(2) 1.7 1.46 "3, 5" [Xe] 4f14 5d10 6s2 p3 544.59 1837 11 21.3 179 solid 9.75 2.02 0.122 7.289 7.87 FALSE rhom monoclinic r rhom rhom 84 Po 16 VIB VIA 6 p [209] 1.67 1.53 "4, 2" [Xe] 4f14 5d10 6s2 p4 527 13 22.7 120 solid 9.3 2 8.42 20 TRUE mono cubic sc mono cub 85 At 17 VIIB VIIA 6 p [210] 1.45 1.47 "+/-1, 3, 5, 7" [Xe] 4f14 5d10 6s2 p5 575 610 12 30 solid 2.2 1.7 TRUE FCC 86 Rn 18 VIII VIIIA 6 p [222] 1.34 [Xe] 4f14 5d10 6s2 p6 202 211.4 2.9 50.5 16.4 gas 9.73 0.094 10.748 0.00364 TRUE BCC cub cub 87 Fr 1 IA IA 7 s [223] 2.7 1 [Rn] 7s1 300 950 2.1 64 solid 0.7 15 TRUE BCC cub cub 88 Ra 2 IIA IIA 7 s [226] 2.33 2 [Rn] 7s2 973 1413 8.37 45.2 136.82 solid 5 0.89 0.094 5.279 18.6 TRUE FCC BCC - body centered-cubic cub cub 89 Ac 3 IIIA IIIB 7 f [227] 1.88 3 [Rn] 6d1 7s2 3470 22.5 solid 10.07 1.1 0.12 5.17 12 TRUE FCC CCP - cubic close-packed fcc cub cub fcc 90 Th 7 f 232.0381(1) 1.8 1.65 4 [Rn] 6d2 7s2 2028 5060 15.65 19.9 543.92 solid 11.72 1.3 0.113 6.08 54 TRUE ortho CCP - cubic close-packed fcc cub cub 91 Pa 7 f 231.03588(2) 1.61 "5, 4" [Rn] 5f2 6d1 7s2 1845 4300 15 solid 15.4 1.5 5.88 47 TRUE ortho tetragonal t ortho tetragonal 92 U 7 f 238.02891(3) 1.38 1.42 "6, 5, 4, 3" [Rn] 5f3 6d1 7s2 1408 4407 15.48 12.5 422.58 solid 18.95 1.38 0.12 6.05 27.6 TRUE ortho ortho complex ortho ortho ortho 93 Np 7 f [237] 1.3 "6, 5, 4, 3" [Rn] 5f4 6d1 7s2 912 4175 21.1 synthetic 20.2 1.36 6.19 6.3 TRUE mono ortho complex ortho ortho ortho 94 Pu 7 f [244] 1.51 "6, 5, 4, 3" [Rn] 5f6 7s2 913 3505 12.32 synthetic 19.84 1.28 0.13 6.06 6.74 TRUE hex monoclinic complex mono mono 95 Am 7 f [243] 1.84 "6, 5, 4, 3" [Rn] 5f7 7s2 1449 2880 20.8 synthetic 13.7 1.3 6 10 TRUE hex HCP - hexagonal close-packed hex. hex hex 96 Cm 7 f [247] 3 [Rn] 5f7 6d1 7s2 1620 18.3 synthetic 13.5 1.3 6.02 10 TRUE hex HCP - hexagonal close-packed hex 97 Bk 7 f [247] "4, 3" [Rn] 5f9 7s2 synthetic 1.3 6.23 10 TRUE hex HCP - hexagonal close-packed hex 98 Cf 7 f [251] 3 [Rn] 5f10 7s2 1170 synthetic 1.3 6.3 10 TRUE FCC HCP - hexagonal close-packed hex 99 Es 7 f [252] [Rn] 5f11 7s2 1130 synthetic 1.3 6.42 10 TRUE 100 Fm 7 f [257] [Rn] 5f12 7s2 1800 synthetic 1.3 6.5 10 TRUE 101 Md 7 f [258] [Rn] 5f13 7s2 1100 synthetic 1.3 6.58 10 TRUE 102 No 7 f [259] [Rn] 5f14 7s2 1100 synthetic 1.3 6.65 10 TRUE 103 Lr 7 f [262] [Rn] 5f14 6d1 7s2 1900 synthetic 10 TRUE 104 Rf 4 IVA IVB 7 d [261] [Rn] 5f14 6d2 7s2 synthetic TRUE 105 Db 5 VA VB 7 d [262] [Rn] 5f14 6d3 7s2 synthetic TRUE 106 Sg 6 VIA VIB 7 d [266] [Rn] 5f14 6d4 7s2 synthetic TRUE 107 Bh 7 VIIA VIIB 7 d [264] [Rn] 5f14 6d5 7s2 synthetic TRUE 108 Hs 8 VIIIA VIII 7 d [277] [Rn] 5f14 6d6 7s2 synthetic TRUE 109 Mt 9 VIIIA VIII 7 d [268] [Rn] 5f14 6d7 7s2 synthetic TRUE 110 Uun 10 VIIIA VIII 7 d [281] [Rn] 5f14 6d8 7s2 synthetic TRUE 111 Uuu 11 IB IB 7 d [272] [Rn] 5f14 6d9 7s2 synthetic TRUE 112 Uub 12 IIB IIB 7 d [285] [Rn] 5f14 6d10 7s2 synthetic TRUE 113 Uut 13 IIIB IIIA 7 p synthetic TRUE 114 Uuq 14 IVB IVA 7 p [289] synthetic TRUE 115 Uup 15 VB VA 7 p synthetic TRUE 116 Uuh 16 VIB VIA 7 p synthetic TRUE 117 Uus 17 VIIB VIIA 7 p synthetic TRUE 118 Uuo 18 VIII VIIIA 7 p synthetic TRUE 119 Uue 7 synthetic 120 Ubn 7 synthetic "# sources include: http://www.webelements.com/ , http://personalpages.umist.ac.uk/staff/S.Schroeder/06bcd690.gif , http://environmentalchemistry.com/yogi/periodic/ , http://webspinners.futura.net/apurdy , http://en2.wikipedia.org/" "# there may be others sources that I have not included, since they were not noted"