Name At. # Symbol BP (K) MP (K) Density at. wt. Most stable oxidation State covalent radius At. Radius (angstroms) First IP specific heat capacity thermal conductivity electrical conductivity heat of fusion Heat of Vaporization Electro- negativity Years Since Discovery Family Group orbitla Metal or Non-metal 2nd most stable oxidation state 3rd most stable oxidation state 4th most stable oxidation state mg/kg crust mg/L seawater % human body mass length of name Portugues Name
0
hydrogen 1 H 20.28 13.81 0.09 1.00797 1 0.32 0.79 13.598 0.1815 0.059 0.4581 2.2 238 Hydrogen 1 s M 1.40E+03 1.08E+05 1.00E+01 8 hidrogÍnio
helium 2 He 4.216 0.95 0.179 4.0026 0 0.93 0.49 24.587 0.152 0.021 0.084 136 Noble gas 18 s N 8.00E-03 7.00E-16 6 hÈlio
lithium 3 Li 1615 453.7 0.53 6.941 1 1.23 2.05 5.392 3.582 84.7 11.7 3 147.1 0.98 187 Alkali Metal 1 s M 2.00E+01 1.80E-01 7 lÌtio
beryllium 4 Be 3243 1560 1.85 9.01218 2 0.9 1.4 9.322 1.825 200 25 11.71 297 1.57 206 Alkaline Earth 2 s M 2.80E+00 5.60E-06 9 berÌlio
boron 5 B 4275 2365 2.34 10.811 3 0.82 1.17 5.298 1.026 27 5E-12 22.6 507.8 2.04 196 Boron 13 p N 1.00E+01 4.44E+00 7.00E-05 5 boro
carbon 6 C 5100 3825 2.26 12.011 4 0.77 0.91 11.26 0.709 0.07 715 2.55 * Carbon 14 p N 2 2.00E+02 2.80E+01 2.30E+01 6 carbono
nitrogen 7 N 77.344 63.15 1.251 14.0067 3 0.75 0.75 14.534 1.042 0.026 0.36 2.7928 3.04 232 Pnictide 15 p N 5 4 2 1.90E+01 5.00E+01 2.60E+00 8 nitrogÍnio
oxygen 8 O 90.188 54.8 1.429 15.9994 2 0.73 0.65 13.618 0.92 0.2674 0.222 3.4109 3.44 230 Chalcogen 16 p N 4.61E+05 8.57E+05 6.10E+01 6 oxigÍnio
fluorine 9 F 85 53.55 1.696 18.9984 1 0.72 0.57 17.422 0.824 0.0279 0.26 3.2698 3.98 138 Halogen 17 p N 5.85E+02 1.30E+00 3.30E-03 8 fl™or
neon 10 Ne 27.1 24.55 0.9 20.1797 0 0.71 0.51 21.564 1.03 0.0493 0.34 1.77 106 Noble gas 18 p N 5.00E-03 1.20E-04 4 neÙnio
sodium 11 Na 1156 371 0.97 22.98977 1 1.54 2.23 5.139 1.23 141 20.1 2.601 98.01 0.93 197 Alkali Metal 1 s M 2.36E-04 1.08E+04 1.40E-01 6 sÛdio
magnesium 12 Mg 1380 922 1.74 24.305 2 1.36 1.72 7.646 1.02 156 22.4 8.95 127.6 1.31 196 Alkaline Earth 2 s M 2.33E+04 1.29E+03 2.70E-02 9 magnÈsio
aluminum 13 Al 2740 933.5 2.7 26.98154 3 1.18 1.62 5.986 0.9 237 37.7 10.7 290.8 1.61 179 Boron 13 p M 8.23E+04 2.00E-03 9.00E-05 8 alumÌnio
silicon 14 Si 2630 1683 2.33 28.0855 4 1.11 1.44 8.151 0.7 148 0.0004 50.2 359 1.9 180 Carbon 14 N 2 2.82E+05 2.20E+00 2.60E-02 7 silÌcio
phosphorus 15 P 553 317.3 1.82 30.97376 5 1.06 1.23 10.486 0.769 0.235 1E-16 0.63 12.4 2.19 335 Pnictide 15 p N 5 4 1.05E+03 6.00E-02 1.10E+00 10 fÛsforo
sulfur 16 S 717.82 392.2 2.07 32.066 6 1.02 1.09 10.36 0.71 0.269 5E-16 1.73 10 2.58 * Chalcogen 16 p N 4 6 3.50E+02 9.05E+02 2.00E-01 6 enxofre
chlorine 17 Cl 239.18 172.17 3.214 35.4527 1 0.99 0.97 12.967 0.48 0.0089 3.21 10.2 3.16 230 Halogen 17 p N 3 5 7 1.45E+02 1.94E+04 1.20E-01 8 cloro
argon 18 Ar 87.45 83.95 1.784 39.948 0 0.98 0.88 15.759 0.52 0.018 1.188 6.506 110 Noble gas 18 p N 3.50E+00 4.50E-01 5 argÙnio
potassium 19 K 1033 336.8 0.86 39.0983 1 2.03 2.77 4.341 0.757 102.5 16.4 2.33 76.9 0.82 197 Alkali Metal 1 s M 2.09E+04 3.99E+02 2.00E-01 9 pot·ssio
calcium 20 Ca 1757 1112 1.55 40.078 2 1.74 2.23 6.113 0.647 200 31.3 8.53 154.67 1 196 Alkaline Earth 2 s M 4.15E+04 4.12E+02 1.40E+00 7 calico
scandium 21 Sc 3109 1814 2.99 44.9559 3 1.44 2.09 6.54 0.568 15.8 1.5 16.11 304.8 1.36 134 Transition Metal 3 d M 2.20E+01 6.00E-07 8 esc’ndio
titanium 22 Ti 3560 1935 4.54 47.88 4 1.32 2 6.82 0.523 21.9 2.6 18.6 425.2 1.54 213 Transition Metal 4 d M 3 5.65E+03 1.00E-03 8 tit’nio
vanadium 23 V 3650 2163 6.11 50.9415 5 1.22 1.92 6.74 0.489 30.7 4 22.8 446.7 1.63 174 Transition Metal 5 d M 4 3 2 1.20E+02 2.50E-03 8 van’dio
chromium 24 Cr 2945 2130 7.19 51.996 3 1.18 1.85 6.766 0.449 93.7 7.9 20 339.5 1.66 207 Transition Metal 6 d M 6 2 1.02E+02 3.00E-04 3.00E-06 8 cromo
manganese 25 Mn 2235 1518 7.44 54.938 4 1.17 1.79 7.435 0.48 7.82 0.5 14.64 219.74 1.55 230 Transition Metal 7 d M 2 7 6 9.50E+02 2.00E-04 2.00E-05 9 manganÍs
iron 26 Fe 3023 1808 7.874 55.847 3 1.17 1.72 7.87 0.449 80.2 11.2 13.8 349.5 1.83 * Transition Metal 8 d M 3 5.63E+04 2.00E-03 6.00E-03 4 ferro
cobalt 27 Co 3143 1768 8.9 58.9332 2 1.16 1.67 7.86 0.421 100 17.9 16.19 373.3 1.88 269 Transition Metal 9 d M 3 2.50E+01 2.00E-05 2.00E-06 6 cobalto
nickel 28 Ni 3005 1726 8.9 58.6934 2 1.15 1.62 7.635 0.444 90.7 14.6 17.2 377.5 1.91 253 Transition Metal 10 d M 3 8.40E+01 5.60E-14 1.00E-05 6 nÌquel
copper 29 Cu 2840 1356.6 8.96 63.456 2 1.17 1.57 7.726 0.385 401 60.7 13.14 300.5 1.9 * Transition Metal 11 d M 1 6.00E+01 2.50E-14 1.00E-04 6 cobre
zinc 30 Zn 1180 692.73 7.13 65.39 2 1.25 1.53 9.394 0.388 116 16.9 7.38 115.3 1.65 754 Transition Metal 12 d M 7.00E+01 4.90E-03 3.30E-03 4 zinco
gallium 31 Ga 2478 302.92 5.91 69.723 3 1.26 1.81 5.999 0.371 40.6 1.8 5.59 256.06 1.81 129 Boron 13 p M 1.90E+01 3.00E-05 7 g·lio
germanium 32 Ge 3107 1211.5 5.32 72.61 4 1.22 1.52 7.899 0.32 59.9 3E-06 31.8 334.3 2.01 118 Carbon 14 p M 1.50E+00 5.00E-05 9 germ’ndio
arsenic 33 As 876 1090 5.78 74.9216 3 1.2 1.33 9.81 0.33 50 3.8 27.7 32.4 2.16 754 Pnictide 15 p N 5 1.80E+00 3.70E-03 7 arsÍnio
selenium 34 Se 958 494 4.79 78.96 4 1.16 1.22 9.752 0.32 2.04 8 5.54 26.32 2.55 187 Chalcogen 16 p N -2 6 5.00E-02 2.00E-04 8 selÍnio
bromine 35 Br 331.85 265.95 3.12 79.904 1 1.14 1.12 11.814 0.226 0.122 1E-16 5.286 14.725 2.96 178 Halogen 17 p N 5 7 2.40E+00 6.73E+01 2.90E-04 7 bromo
krypton 36 Kr 120.85 116 3.75 83.8 0 1.89 1.03 13.999 0.248 0.0095 1.638 9.029 106 Noble gas 18 p N 2 1.00E-04 2.10E-04 7 criptÙnio
rubidium 37 Rb 961 312.63 1.532 85.4678 1 2.16 2.98 4.177 0.363 58.2 47.8 2.34 69.2 0.82 143 Alkali Metal 1 s M 9.00E+01 1.20E-01 4.60E-04 8 rubÌdio
strontium 38 Sr 1655 1042 2.54 87.62 2 1.91 2.45 5.695 0.3 3.53 5 8.2 136.9 0.95 214 Alkaline Earth 2 s M 3.70E+02 7.20E+00 4.60E-04 9 estrÙntio
yttrium 39 Y 3611 1795 4.47 88.9059 3 1.62 2.27 6.38 0.3 17.2 1.8 17.15 393.3 1.22 176 Transition Metal 3 d M 3.30E+01 1.30E-05 7 Ìtrio
zirconium 40 Zr 4682 2128 6.51 91.224 4 1.45 2.16 6.34 0.278 22.7 2.3 21 590.5 1.33 215 Transition Metal 4 d M 1.65E+02 3.00E-05 9 zircÙnio
niobium 41 Nb 5015 2742 8.57 92.9064 5 1.34 2.08 6.88 0.265 53.7 6.6 26.9 690.1 1.6 140 Transition Metal 5 d M 3 2.00E+01 1.00E-05 7 niÛbio
molybdenum 42 Mo 4912 2896 10.22 95.94 6 1.3 2.01 7.099 0.25 138 17.3 36 590.4 2.16 222 Transition Metal 6 d M 5 4 3 1.20E+00 1.00E-02 1.00E-05 10 molibdÍnio
technetium 43 Tc 4538 2477 11.5 98 7 1.27 1.95 7.28 0.24 50.6 0.001 23 502 1.9 67 Transition Metal 7 d M 10 tecnÈcio
ruthenium 44 Ru 4425 2610 12.37 101.07 3 1.25 1.89 7.37 0.238 117 14.9 25.52 567.77 2.2 160 Transition Metal 8 d M 4 2 6 1.00E-03 7.00E-07 9 rutÍnio
rhodium 45 Rh 3970 2236 12.41 102.9055 3 1.25 1.83 7.46 0.242 150 23 21.76 495.39 2.28 201 Transition Metal 9 d M 2 4 1.00E-03 7 rÛdio
palladium 46 Pd 3240 1825 12 106.42 2 1.28 1.79 8.34 0.244 71.8 10 16.74 393.3 2.2 201 Transition Metal 10 d M 4 1.50E-02 9 pal·dio
silver 47 Ag 2436 1235.08 10.5 107.868 1 1.34 1.75 7.576 0.235 429 62.9 11.3 250.63 1.93 * Transition Metal 11 d M 7.50E-02 4.00E-05 6 prata
cadmium 48 Cd 1040 594.26 8.65 112.41 2 1.41 1.71 8.993 0.232 96.8 14.7 6.07 99.87 1.69 187 Transition Metal 12 d M 1.50E-01 1.10E-04 7.00E-05 7 c·dmio
indium 49 In 2350 429.78 7.31 114.82 3 1.44 2 5.786 0.233 81.6 3.4 3.26 226.335 1.78 80 Boron 13 p M 2.50E-01 2.00E-03 6 indio
tin 50 Sn 2876 505.12 7.31 118.71 4 1.41 1.72 7.344 0.228 66.6 8.7 7.2 290.37 1.96 * Carbon 14 p M 2 2.30E+00 4.00E-06 2.00E-05 3 estanho
antimony 51 Sb 1860 903.91 6.69 121.757 3 1.4 1.53 8.641 0.207 24.3 2.6 19.83 67.97 2.05 404 Pnictide 15 p M 5 2.00E-01 2.40E-04 8 antimÙnio
tellurium 52 Te 1261 722.72 6.24 127.6 4 1.36 1.42 9.009 0.202 2.35 0.0002 17.49 50.63 2.1 222 Chalcogen 16 p N -2 6 1.00E-03 9 tel™rio
iodine 53 I 457.5 386.7 4.93 126.9045 1 1.33 1.32 10.451 0.145 0.449 1E-11 7.76 20.9 2.66 193 Halogen 17 p N 5 7 4.50E-01 6.00E-02 2.00E-05 6 iodo
xenon 54 Xe 165.1 161.39 5.9 131.29 0 1.31 1.24 12.13 0.158 0.0057 2.3 12.64 106 Noble gas 18 p N 2 4 6 3.00E-05 5.00E-05 5 xenÙnio
cesium 55 Cs 944 301.54 1.87 132.9054 1 2.35 3.34 3.894 0.24 35.9 5.3 2.092 67.74 0.79 144 Alkali Metal 1 s M 3.00E+00 3.00E-04 2.00E-06 6 cÈsio
barium 56 Ba 2078 1002 3.59 137.33 2 1.98 2.76 5.212 0.204 18.4 2.8 8.01 140.2 0.89 196 Alkaline Earth 2 s M 4.25E+02 1.30E-02 3.00E-05 6 b·rio
lanthanum 57 La 3737 1191 6.15 138.9055 3 1.25 2.74 5.58 0.19 13.5 1.9 11.3 399.57 1.1 165 Rare Earth 3 d M 3.90E+01 3.40E-06 9 lant’nio
cerium 58 Ce 3715 1071 6.77 140.12 3 1.65 2.7 5.54 0.19 11.4 1.4 9.2 313.8 1.12 201 Rare Earth 3 f M 4 6.65E+01 1.20E-06 6 cÈrio
praseodymium 59 Pr 3785 1204 6.77 140.9077 3 1.65 2.67 5.46 0.193 12.5 1.5 10.04 332.63 1.13 119 Rare Earth 3 f M 4 9.20E+00 6.40E-07 12 praseodÌmio
neodymium 60 Nd 3347 1294 7.01 144.24 3 1.64 2.64 5.53 0.19 16.5 1.6 10.88 283.68 1.14 163 Rare Earth 3 f M 4.15E+01 2.80E-06 9 neodÌmio
promethium 61 Pm 3273 1315 7.22 145 3 1.63 2.62 5.554 17.9 2 1.13 63 Rare Earth 3 f M 10 promÈcio
samarium 62 Sm 2067 1347 2.75 150.36 3 1.62 2.59 5.64 0.197 1.3.3 1.1 11.09 191.63 1.17 125 Rare Earth 3 f M 2 7.05E+00 4.50E-07 8 sam·rio
europium 63 Eu 1800 1095 5.24 151.965 3 1.85 2.56 5.67 0.182 13.9 1.1 10.46 175.73 1.2 103 Rare Earth 3 f M 2 2.00E+00 1.30E-07 8 eurÛpio
gadolinium 64 Gd 3545 1585 7.9 157.25 3 1.61 2.54 6.15 0.236 10.6 0.8 15.48 311.71 1.2 118 Rare Earth 3 f M 6.20E+00 7.00E-07 10 gadolÌnio
terbium 65 Tb 3500 1629 8.23 158.9253 3 1.59 2.51 5.86 0.18 11.1 0.9 1.2 161 Rare Earth 3 f M 4 1.20E+00 1.40E-07 7 tÈrbio
dysprosium 66 Dy 2840 1685 8.55 162.5 3 1.59 2.49 5.94 0.173 10.7 1.1 11.06 230 1.22 118 Rare Earth 3 f M 5.20E+00 9.10E-07 10 disprÛsio
holmium 67 Ho 2968 1747 8.8 164.9303 3 1.58 2.47 6.018 0.165 16.2 1.1 17.15 251.04 1.23 126 Rare Earth 3 f M 1.30E+00 2.20E-07 7 hÛlmio
erbium 68 Er 3140 1802 9.07 167.26 3 1.57 2.45 6.101 0.168 14.3 1.2 17.15 292.88 1.24 162 Rare Earth 3 f M 3.50E+00 8.70E-07 6 Èrmio
thulium 69 Tm 2223 1818 9.32 168.9342 3 1.56 2.42 6.184 0.16 16.8 1.3 16.8 191 1.25 125 Rare Earth 3 f M 2 5.20E-01 1.70E-07 7 t™lio
ytterbium 70 Yb 1469 1092 6.97 173.04 3 1.7 2.4 6.254 0.155 34.9 3.7 7.7 128 1.1 97 Rare Earth 3 f M 2 3.20E+00 8.20E-07 9 itÈrbio
lutetium 71 Lu 3668 1936 9.84 174.967 3 1.56 2.25 5.43 0.15 16.4 1.5 18.6 355 1.27 97 Rare Earth 3 d M 8.00E-01 1.50E-07 8 lutÈcio
hafnium 72 Hf 4875 2504 13.31 178.49 4 1.44 2.16 6.65 0.14 23 3.4 21.76 661.07 1.3 81 Transition Metal 4 d M 3.00E+00 7.00E-06 7 h·frio
tantalum 73 Ta 5730 3293 16.65 180.9479 5 1.34 2.09 7.89 0.14 57.5 8.1 36 737 1.5 202 Transition Metal 5 d M 2.00E+00 2.00E-06 8 t’ntalo
tungsten 74 W 5825 3695 19.3 183.85 6 1.3 2.02 7.98 0.13 174 18.2 35.4 422.58 2.36 221 Transition Metal 6 d M 5 4 3 1.25E+00 1.00E-04 8 tungstÍnio
rhenium 75 Re 5870 3455 21 186.207 7 1.28 1.97 7.88 0.137 47.9 5.8 33.05 707.1 1.9 79 Transition Metal 7 d M 4 6 2 7.00E-04 4.00E-06 7 rÍnio
osmium 76 Os 5300 3300 22.6 190.2 4 1.26 1.92 8.7 0.13 87.6 12.3 29.29 627.6 2.2 201 Transition Metal 8 d M 3 6 8 1.50E-03 6 Ûsmio
iridium 77 Ir 4700 2720 22.6 192.22 4 1.27 1.87 9.1 0.13 147 21.3 26.36 563.58 2.2 201 Transition Metal 9 d M 2 3 6 1.00E-03 7 irÌdio
platinum 78 Pt 4100 2042.1 21.45 195.08 4 1.3 1.83 9 0.13 71.6 9.4 19.66 510.45 2.28 269 Transition Metal 10 d M 2 5.00E-03 8 platina
gold 79 Au 3130 1337.58 19.3 196.9665 3 1.34 1.79 9.225 0.128 317 48.8 12.36 324.43 2.54 * Transition Metal 11 d M 1 4.00E-03 4.00E-03 1.00E-05 4 ouro
mercury 80 Hg 629.88 234.31 13.55 200.59 2 1.49 1.76 10.437 0.14 8.34 1 2.292 59.3 2 * Transition Metal 12 d M 1 8.50E-02 3.00E-05 7 merc™rio
thallium 81 Tl 1746 577 11.85 204.383 1 1.48 2.08 6.108 0.129 46.1 5.6 4.27 162.09 2.04 143 Boron 13 p M 3 8.50E-01 1.90E-05 8 t·lio
lead 82 Pb 2023 600.65 11.35 207.2 2 1.47 1.81 7.416 0.129 35.3 4.8 4.77 177.9 2.33 * Carbon 14 p M 4 1.40E-01 3.00E-05 1.70E-04 4 chumbo
bismuth 83 Bi 1837 544.59 9.75 208.9804 3 1.46 1.63 7.289 0.122 7.87 0.9 11 179 2.02 251 Pnictide 15 p M 5 8.50E-03 2.00E-05 7 bismuto
polonium 84 Po 1235 527 9.3 209 4 1.53 1.53 8.42 20 0.7 13 120 2 106 Chalcogen 16 p M 2 6 2.00E-10 1.40E-14 8 polÙnio
astatine 85 At 610 575 210 1 1.47 1.43 1.7 12 30 2.2 64 Halogen 17 p N 3 5 7 8 astato
radon 86 Rn 211.4 202 9.73 222 0 1.34 10.748 0.094 0.0036 2.9 16.4 104 Noble gas 18 p N 2 4.00E-13 6.00E-16 5 radÙnio
francium 87 Fr 950 300 223 1 2.7 15 2.1 64 0.7 65 Alkali Metal 1 s M 8 fr’ncio
radium 88 Ra 1413 973 5 226.0254 2 2.23 5.279 0.094 18.6 1 8.37 136.82 0.9 106 Alkaline Earth 2 s M 9.00E-07 8.90E-11 6 r·dio
actinium 89 Ac 3470 1324 10.07 227 3 1.88 5.17 0.12 12 1.1 105 Rare Earth 3 d M 5.50E-10 8 actÌnio
thorium 90 Th 5060 2028 11.72 232.0381 4 1.65 1.8 6.01 0.113 54 7.1 15.65 543.92 1.3 176 Rare Earth 3 f M 9.60E+00 1.00E-06 7 tÛrio
protactinium 91 Pa 4300 1845 15.4 231.0359 5 1.61 5.89 47 5.6 1.5 91 Rare Earth 3 f M 4 1.40E-06 5.00E-11 12 protactÌnio
uranium 92 U 4407 1408 18.95 238.029 6 1.42 1.38 6.05 0.12 27.6 3.6 15.48 422.58 1.38 215 Rare Earth 3 f M 5 4 3 2.70E+00 3.20E-03 1.00E-07 7 ur’nio
neptunium 93 Np 4175 912 20.2 237.0482 5 1.3 6.19 6.3 0.8 1.36 64 Rare Earth 3 f M 6 4 3 9 net™nio
plutonium 94 Pu 3505 913 19.84 244 4 1.08 1.51 6.06 0.13 6.74 0.7 1.28 64 Rare Earth 3 f M 6 5 3 9 plutÙnio
americium 95 Am 2880 1449 13.7 243 3 1.84 5.993 10 0.7 1.3 60 Rare Earth 3 f M 6 5 4 9 amerÌcio
curium 96 Cm 1620 13.5 247 3 6.02 10 1.3 60 Rare Earth 3 f M 6 c™rio
berkelium 97 Bk 1620 14 247 3 6.23 10 1.3 55 Rare Earth 3 f M 4 9 berquÈlio
californium 98 Cf 1170 251 6.3 10 1.3 54 Rare Earth 3 f M 11 califÛrnio
einsteinium 99 Es 1170 252 3 6.42 10 1.3 52 Rare Earth 3 f M 11 einstÍnio
fermium 100 Fm 1130 257 3 6.5 10 1.3 52 Rare Earth 3 f M 7 fÈrmio
mendelevium 101 Md 1800 258 3 6.58 10 1.3 49 Rare Earth 3 f M 11 mendelÈvio
nobelium 102 No 1100 259 3 6.65 10 1.3 46 Rare Earth 3 f M 2 8 nobÈlio
lawrencium 103 Lr 1900 260 3 10 43 Rare Earth 3 d M 10 lawrÍncio
rutherfordium 104 Rf 261 40 Transition Metal 4 d M 13 rutherfÛrdio
hahnium 105 Ha 262 37 Transition Metal 5 d M 7 h’hnio
seaborgium 106 Sg 263 30 Transition Metal 6 d M 10
hassium 107 Hs 262 28 Transition Metal 7 d M 7
bohrium 108 Bh 265 Transition Metal 8 d M 7 bÛhrio
meitnerium 109 Mt 266 22 Transition Metal 9 d M 10 meitnÈrio
ununnilium 110 Uun Transition Metal 10 d M 10
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