高清彩色元素周期表

NOBLE GASES 1 H 1.008 Hydrogen 1s1 Oxidation States Electroneg. 1 2.2 Atomic Radius Ionic Radius 37 – Electron Affinity 1st Ion. Pot. 0.75 13.60 3 Li 6.94 Lithium 1s22s1 Oxidation States Electroneg. 1 0.98 Atomic Radius Ionic Radius 152 (+1)76 Electron Affinity 1st Ion. Pot. 0.62 5.39 4 Be 9.01 Beryllium 1s22s2 Oxidation States Electroneg. 2 1.57 Atomic Radius Ionic Radius 111 (+2)45 Electron Affinity 1st Ion. Pot. Unstable Anion 9.32 12 Mg24.31 Magnesium [Ne]3s2 Oxidation States Electroneg. 2 1.31 Atomic Radius Ionic Radius 160 (+2)72 Electron Affinity 1st Ion. Pot. Unstable Anion 7.65 21 Sc 44.96 Scandium [Ar]3d14s2 Oxidation States Electroneg. 3 1.36 Atomic Radius Ionic Radius 161 (+3)75 Electron Affinity 1st Ion. Pot. 0.19 6.56 39 Y 88.91 Yttrium [Kr]4d15s2 Oxidation States Electroneg. 3 1.22 Atomic Radius Ionic Radius 178 (+3)102 Electron Affinity 1st Ion. Pot. 0.31 6.22 57 La 138.9 Lanthanum [Xe]5d16s2 Oxidation States Electroneg. 3 1.10 Atomic Radius Ionic Radius 187 (+3)116 Electron Affinity 1st Ion. Pot. 0.5 5.77 89 Ac 227 Actinium [Rn]6d17s2 Oxidation States Electroneg. 3 1.1 Atomic Radius Ionic Radius 188 (+3) - Electron Affinity 1st Ion. Pot. – 5.17 104 Rf 261 Rutherfordium [Rn]5f146d27s2 disc.1964 105Db 262 Dubnium [Rn]5f146d37s2 disc.1967 58 Ce 140.1 Cerium [Xe]4f15d16s2 Oxidation States Electroneg. 3,4 1.12 Atomic Radius Ionic Radius 183 (+3)114 Electron Affinity 1st Ion. Pot. – 5.54 59 Pr 140.9 Praseodymium [Xe]4f36s2 Oxidation States Electroneg. 3,4 1.13 Atomic Radius Ionic Radius 182 (+3)113 Electron Affinity 1st Ion. Pot. – 5.46 60 Nd 144.2 Neodymium [Xe]4f46s2 Oxidation States Electroneg. 3 1.14 Atomic Radius Ionic Radius 181 (+3)114 Electron Affinity 1st Ion. Pot. – 5.53 61 Pm 145 Promethium [Xe]4f56s2 Oxidation States Electroneg. 3 – Atomic Radius Ionic Radius 181 (+3)109 Electron Affinity 1st Ion. Pot. – 5.55 62 Sm150.4 Samarium [Xe]4f66s2 Oxidation States Electroneg. 3,2 1.17 Atomic Radius Ionic Radius 180 (+3)108 Electron Affinity 1st Ion. Pot. – 5.64 63 Eu 152.0 Europium [Xe]4f76s2 Oxidation States Electroneg. 3,2 – Atomic Radius Ionic Radius 199 (+3)107 Electron Affinity 1st Ion. Pot. – 5.67 64 Gd157.3 Gadolinium [Xe]4f75d16s2 Oxidation States Electroneg. 3 1.20 Atomic Radius Ionic Radius 179 (+3)105 Electron Affinity 1st Ion. Pot. – 6.15 65 Tb 158.9 Terbium [Xe]4f96s2 Oxidation States Electroneg. 3,4 – Atomic Radius Ionic Radius 176 (+3)118 Electron Affinity 1st Ion. Pot. – 5.86 66 Dy 162.5 Dysprosium [Xe]4f106s2 Oxidation States Electroneg. 3 1.22 Atomic Radius Ionic Radius 175 (+3)103 Electron Affinity 1st Ion. Pot. – 5.94 67 Ho 164.9 Holmium [Xe]4f116s2 Oxidation States Electroneg. 3 1.23 Atomic Radius Ionic Radius 174 – Electron Affinity 1st Ion. Pot. – 6.02 68 Er 167.3 Erbium [Xe]4f126s2 Oxidation States Electroneg. 3 1.24 Atomic Radius Ionic Radius 173 (+3)100 Electron Affinity 1st Ion. Pot. – 6.11 69 Tm168.9 Thulium [Xe]4f136s2 Oxidation States Electroneg. 3,2 1.25 Atomic Radius Ionic Radius 173 (+3)109 Electron Affinity 1st Ion. Pot. – 6.18 70 Yb 173.0 Ytterbium [Xe]4f146s2 Oxidation States Electroneg. 3,2 – Atomic Radius Ionic Radius 194 (+3)99 Electron Affinity 1st Ion. Pot. – 6.25 71 Lu 175.0 Lutetium [Xe]4f145d16s2 Oxidation States Electroneg. 3 1.0 Atomic Radius Ionic Radius 172 (+3)98 Electron Affinity 1st Ion. Pot. – 5.43 90 Th 232.0 Thorium [Rn]6d27s2 Oxidation States Electroneg. 4 1.3 Atomic Radius Ionic Radius 180 (+4)94 Electron Affinity 1st Ion. Pot. – 6.08 91 Pa 231.0 Protactinium [Rn]5f26d17s2 Oxidation States Electroneg. 5,4 1.5 Atomic Radius Ionic Radius 161 (+5)78 Electron Affinity 1st Ion. Pot. – 5.89 92 U 238.0 Uranium [Rn]5f36d17s2 Oxidation States Electroneg. 6,5,4,3 1.7 Atomic Radius Ionic Radius 139 (+6)73 Electron Affinity 1st Ion. Pot. – 6.19 93 Np 237 Neptunium [Rn]5f46d17s2 Oxidation States Electroneg. 6,5,4,3 1.3 Atomic Radius Ionic Radius – (+5)75 Electron Affinity 1st Ion. Pot. – 6.27 94 Pu 244 Plutonium [Rn]5f67s2 Oxidation States Electroneg. 6,5,4,3 1.3 Atomic Radius Ionic Radius 151 (+4)86 Electron Affinity 1st Ion. Pot. – 6.06 95 Am 243 Americium [Rn]5f77s2 Oxidation States Electroneg. 6,5,4,3 – Atomic Radius Ionic Radius 131 (+3)98 Electron Affinity 1st Ion. Pot. – 5.99 96 Cm 247 Curium [Rn]5f76d17s2 Oxidation States Electroneg. 3 – Atomic Radius Ionic Radius – (+3)97 Electron Affinity 1st Ion. Pot. – 6.02 97 Bk 247 Berkelium [Rn]5f97s2 Oxidation States Electroneg. 4,3 – Atomic Radius Ionic Radius – (+3)96 Electron Affinity 1st Ion. Pot. – 6.23 98 Cf 251 Californium [Rn]5f107s2 Oxidation States Electroneg. 3 – Atomic Radius Ionic Radius – (+3)95 Electron Affinity 1st Ion. Pot. – 6.30 99 Es 252 Einsteinium [Rn]5f117s2 Oxidation States Electroneg. 3 – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. – 6.42 100Fm 257 Fermium [Rn]5f127s2 Oxidation States Electroneg. 3 – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. – 6.50 101Md 258 Mendelevium [Rn]5f137s2 Oxidation States Electroneg. 3,2 – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. – 6.58 102 No 259 Nobelium [Rn]5f147s2 Oxidation States Electroneg. 3,2 – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. – 6.65 103 Lr 262 Lawrencium [Rn]5f146d17s2 Oxidation States Electroneg. 3 – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. – – 106 Sg 266 Seaborgium [Rn]5f146d47s2 disc.1974 107Bh 264 Bohrium [Rn]5f146d57s2 disc.1981 108 Hs 269 Hassium [Rn]5f146d67s2 disc.1984 109 Mt 268 Meitnerium [Rn]5f146d77s2 disc.1982 110 Ds 281 Darmstadtium [Rn]5f146d97s1 Darmstats, Germany 111 Uuu 272 Unununium disc.1994 Darmstats, Germany 112 Uub 277 Ununbium disc.1996 Darmstats, Germany 113 Uut 284 Ununtrium disc.2004 Dubna, Russia 114 Uuq 289 Ununquadium disc.1999 Dubna, Russia 115 Uup 288 Ununpentium disc.2004 Dubna, Russia 116 ? ? Notdiscovered - - 117 ? ? Notdiscovered - - 118 ? ? Notdiscovered - - 72 Hf 178.5 Hafnium [Xe]4f145d26s2 Oxidation States Electroneg. 4 1.3 Atomic Radius Ionic Radius 156 (+4)83 Electron Affinity 1st Ion. Pot. ~0 6.83 73 Ta 180.9 Tantalum [Xe]4f145d36s2 Oxidation States Electroneg. 5 1.5 Atomic Radius Ionic Radius 143 (+5)64 Electron Affinity 1st Ion. Pot. 0.32 7.89 74 W 183.8 Tungsten [Xe]4f145d46s2 Oxidation States Electroneg. 6,5,4,3,2 1.7 Atomic Radius Ionic Radius 137 (+6)60 Electron Affinity 1st Ion. Pot. 0.86 7.98 75 Re 186.2 Rhenium [Xe]4f145d56s2 Oxidation States Electroneg. 7,6,4,2,-1 1.9 Atomic Radius Ionic Radius 137 (+7)53 Electron Affinity 1st Ion. Pot. 0.15 7.88 76 Os 190.2 Osmium [Xe]4f145d66s2 Oxidation States Electroneg. 2,3,4,6,8 2.2 Atomic Radius Ionic Radius 134 (+4)63 Electron Affinity 1st Ion. Pot. 1.10 8.7 77 Ir 192.2 Iridium [Xe]4f145d76s2 Oxidation States Electroneg. 2,3,4,6 2.2 Atomic Radius Ionic Radius 136 (+4)63 Electron Affinity 1st Ion. Pot. 1.57 9.1 78 Pt 195.1 Platinum [Xe]4f145d96s1 Oxidation States Electroneg. 2,4 2.2 Atomic Radius Ionic Radius 139 (+4)63 Electron Affinity 1st Ion. Pot. 2.13 9.0 79 Au 197.0 Gold [Xe]4f145d106s1 Oxidation States Electroneg. 3,1 2.4 Atomic Radius Ionic Radius 144 (+3)85 Electron Affinity 1st Ion. Pot. 2.31 9.23 80 Hg 200.6 Mercury [Xe]4f145d106s2 Oxidation States Electroneg. 2,1 1.9 Atomic Radius Ionic Radius 150 (+2)102 Electron Affinity 1st Ion. Pot. Unstable Anion 10.44 81 Tl 204.4 Thallium [Xe]4f145d106s2p1 Oxidation States Electroneg. 3,1 1.8 Atomic Radius Ionic Radius 170 (+1)159 Electron Affinity 1st Ion. Pot. 0.2 6.11 82 Pb 207.2 Lead [Xe]4f145d106s2p2 Oxidation States Electroneg. 4,2 1.8 Atomic Radius Ionic Radius 175 (+2)119 Electron Affinity 1st Ion. Pot. 0.36 7.42 83 Bi 209.0 Bismuth [Xe]4f145d106s2p3 Oxidation States Electroneg. 3,5 1.9 Atomic Radius Ionic Radius 155 (+3)103 Electron Affinity 1st Ion. Pot. 0.95 7.29 84 Po 209 Polonium [Xe]4f145d106s2p4 Oxidation States Electroneg. 4,2 2.0 Atomic Radius Ionic Radius 118 (+4)– Electron Affinity 1st Ion. Pot. 1.9 8.42 40 Zr 91.22 Zirconium [Kr]4d25s2 Oxidation States Electroneg. 4 1.33 Atomic Radius Ionic Radius 159 (+4)84 Electron Affinity 1st Ion. Pot. 0.43 6.63 41 Nb 92.91 Niobium [Kr]4d45s1 Oxidation States Electroneg. 5,3 1.60 Atomic Radius Ionic Radius 143 (+5)64 Electron Affinity 1st Ion. Pot. 0.90 6.76 42 Mo95.94 Molybdenum [Kr]4d55s1 Oxidation States Electroneg. 6,5,4,3,2 2.16 Atomic Radius Ionic Radius 136 (+6)59 Electron Affinity 1st Ion. Pot. 0.75 7.09 43 Tc 98 Technetium [Kr]4d55s2 Oxidation States Electroneg. 7 2.10 Atomic Radius Ionic Radius 135 – Electron Affinity 1st Ion. Pot. 0.55 7.28 44 Ru 101.1 Ruthenium [Kr]4d75s1 Oxidation States Electroneg. 2,3,4,6,8 2.20 Atomic Radius Ionic Radius 133 (+3)68 Electron Affinity 1st Ion. Pot. 1.05 7.36 45 Rh 102.9 Rhodium [Kr]4d85s1 Oxidation States Electroneg. 2,3,4 2.28 Atomic Radius Ionic Radius 135 (+3)67 Electron Affinity 1st Ion. Pot. 1.14 7.46 46 Pd 106.4 Palladium [Kr]4d10 Oxidation States Electroneg. 2,4 2.20 Atomic Radius Ionic Radius 138 (+2)64 Electron Affinity 1st Ion. Pot. 0.56 8.34 47 Ag 107.9 Silver [Kr]4d105s1 Oxidation States Electroneg. 1 1.93 Atomic Radius Ionic Radius 145 (+1)115 Electron Affinity 1st Ion. Pot. 1.30 7.58 48 Cd 112.4 Cadmium [Kr]4d105s2 Oxidation States Electroneg. 2 1.69 Atomic Radius Ionic Radius 149 (+2)95 Electron Affinity 1st Ion. Pot. Unstable Anion 8.99 49 In 114.8 Indium [Kr]4d105s2p1 Oxidation States Electroneg. 3 1.78 Atomic Radius Ionic Radius 163 (+3)80 Electron Affinity 1st Ion. Pot. 0.30 5.79 50 Sn 118.7 Tin [Kr]4d105s2p2 Oxidation States Electroneg. 4,2 1.96 Atomic Radius Ionic Radius 141 (+4)45 Electron Affinity 1st Ion. Pot. 1.11 7.34 22 Ti 47.87 Titanium [Ar]3d24s2 Oxidation States Electroneg. 4 1.54 Atomic Radius Ionic Radius 145 (+4)61 Electron Affinity 1st Ion. Pot. 0.08 6.83 23 V 50.94 Vanadium [Ar]3d34s2 Oxidation States Electroneg. 5.3 1.63 Atomic Radius Ionic Radius 131 (+5)54 Electron Affinity 1st Ion. Pot. 0.53 6.75 24 Cr 52.00 Chromium [Ar]3d54s1 Oxidation States Electroneg. 6,3,2 1.66 Atomic Radius Ionic Radius 125 (+3)62 Electron Affinity 1st Ion. Pot. 0.67 6.77 25 Mn54.94 Manganese [Ar]3d54s2 Oxidation States Electroneg. 7,6,4,2,3 1.55 Atomic Radius Ionic Radius 137 (+2)67 Electron Affinity 1st Ion. Pot. Unstable Anion 7.43 26 Fe 55.85 Iron [Ar]3d64s2 Oxidation States Electroneg. 2,3 1.83 Atomic Radius Ionic Radius 124 (+3)55 Electron Affinity 1st Ion. Pot. 0.151 7.90 27 Co 58.93 Cobalt [Ar]3d74s2 Oxidation States Electroneg. 2,3 1.88 Atomic Radius Ionic Radius 125 (+2)65 Electron Affinity 1st Ion. Pot. 0.66 7.88 28 Ni 58.69 Nickel [Ar]3d84s2 Oxidation States Electroneg. 2,3 1.91 Atomic Radius Ionic Radius 125 (+2)69 Electron Affinity 1st Ion. Pot. 1.16 7.64 29 Cu 63.55 Copper [Ar]3d104s1 Oxidation States Electroneg. 2,1 1.90 Atomic Radius Ionic Radius 128 (+2)73 Electron Affinity 1st Ion. Pot. 1.24 7.73 30 Zn 65.39 Zinc [Ar]3d104s2 Oxidation States Electroneg. 2 1.65 Atomic Radius Ionic Radius 133 (+2)74 Electron Affinity 1st Ion. Pot. Unstable Anion 9.39 31 Ga 69.72 Gallium [Ar]3d104s2p1 Oxidation States Electroneg. 3 1.81 Atomic Radius Ionic Radius 122 (+3)62 Electron Affinity 1st Ion. Pot. 0.3 5.10 13 Al 26.98 Aluminum [Ne]3s2p1 Oxidation States Electroneg. 3 1.61 Atomic Radius Ionic Radius 143 (+3)54 Electron Affinity 1st Ion. Pot. 0.44 5.99 5 B 10.81 Boron 1s22s2p1 Oxidation States Electroneg. 3 2.04 Atomic Radius Ionic Radius 80 – Electron Affinity 1st Ion. Pot. 0.28 8.30 6 C 12.01 Carbon 1s22s2p2 Oxidation States Electroneg. 4,2 2.55 Atomic Radius Ionic Radius 77 (+4)16 Electron Affinity 1st Ion. Pot. 1.26 11.26 7 N 14.01 Nitrogen 1s22s2p3 Oxidation States Electroneg. 3,5,4,2 3.04 Atomic Radius Ionic Radius 74 (+3)16 Electron Affinity 1st Ion. Pot. Unstable Anion 14.53 8 O 16.00 Oxygen 1s22s2p4 Oxidation States Electroneg. -2 3.44 Atomic Radius Ionic Radius 74 (-2)140 Electron Affinity 1st Ion. Pot. 1.46 13.62 9 F 19.00 Fluorine 1s22s2p5 Oxidation States Electroneg. -1 3.98 Atomic Radius Ionic Radius 71 (-1)133 Electron Affinity 1st Ion. Pot. 3.40 17.42 10 Ne 20.18 Neon 1s22s2p6 Oxidation States Electroneg. – – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. Unstable Anion 21.57 2 He 4.003 Helium 1s2 Oxidation States Electroneg. – – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. Unstable Anion 24.59 14 Si 28.09 Silicon [Ne]3s2p2 Oxidation States Electroneg. 4 1.90 Atomic Radius Ionic Radius 118 (+4)40 Electron Affinity 1st Ion. Pot. 1.39 8.15 15 P 30.97 Phosphorus [Ne]3s2p3 Oxidation States Electroneg. 3,5,4 2.19 Atomic Radius Ionic Radius 110 (+5)17 Electron Affinity 1st Ion. Pot. 0.75 10.49 33 As 74.92 Arsenic [Ar]3d104s2p3 Oxidation States Electroneg. 3,5 2.18 Atomic Radius Ionic Radius 125 (+3)58 Electron Affinity 1st Ion. Pot. 0.81 9.81 52 Te 127.6 Tellurium [Kr]4d105s2p4 Oxidation States Electroneg. 2,4,6 2.10 Atomic Radius Ionic Radius 143 (-2)221 Electron Affinity 1st Ion. Pot. 1.97 9.01 85 At 210 Astatine [Xe]4f145d106s2p5 Oxidation States Electroneg. 1,3,5,7 2.2 Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. 2.8 - 20 Ca 40.08 Calcium [Ar]4s2 Oxidation States Electroneg. 2 1.00 Atomic Radius Ionic Radius 197 (+2)100 Electron Affinity 1st Ion. Pot. 0.04 6.11 38 Sr 87.62 Strontium [Kr]5s2 Oxidation States Electroneg. 2 0.95 Atomic Radius Ionic Radius 215 (+2)126 Electron Affinity 1st Ion. Pot. 0.11 5.70 56 Ba 137.3 Barium [Xe]6s2 Oxidation States Electroneg. 2 0.89 Atomic Radius Ionic Radius 217 (+2)142 Electron Affinity 1st Ion. Pot. 0.15 5.21 88 Ra 226 Radium [Rn]7s2 Oxidation States Electroneg. 2 0.9 Atomic Radius Ionic Radius – (+2)162 Electron Affinity 1st Ion. Pot. – 5.28 11 Na 22.99 Sodium [Ne]3s1 Oxidation States Electroneg. 1 0.93 Atomic Radius Ionic Radius 186 (+1)102 Electron Affinity 1st Ion. Pot. 0.55 5.14 19 K 39.10 Potassium [Ar]4s1 Oxidation States Electroneg. 1 0.82 Atomic Radius Ionic Radius 227 (+1)151 Electron Affinity 1st Ion. Pot. 0.50 4.34 37 Rb 85.47 Rubidium [Kr]5s1 Oxidation States Electroneg. 1 0.82 Atomic Radius Ionic Radius 248 (+1)161 Electron Affinity 1st Ion. Pot. 0.49 4.18 55 Cs132.9 Cesium [Xe]6s1 Oxidation States Electroneg. 1 0.79 Atomic Radius Ionic Radius 265 (+1)174 Electron Affinity 1st Ion. Pot. 0.47 3.89 87 Fr 223 Francium [Rn]7s1 Oxidation States Electroneg. 1 0.7 Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. 0.46 – + – 34 Se 78.96 Selenium [Ar]3d104s2p4 Oxidation States Electroneg. 2,4,6 2.55 Atomic Radius Ionic Radius 116 (-2)198 Electron Affinity 1st Ion. Pot. 2.02 9.75 + – 35 Br 79.90 Bromine [Ar]3d104s2p5 Oxidation States Electroneg. 1,5 2.96 Atomic Radius Ionic Radius 114 (-1)196 Electron Affinity 1st Ion. Pot. 3.36 11.81 + – 36 Kr 83.80 Krypton [Ar]3d104s2p6 Oxidation States Electroneg. – – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. Unstable Anion 14.00 + – + – 16 S 32.07 Sulfur [Ne]3s2p4 Oxidation States Electroneg. 2,4,6 2.58 Atomic Radius Ionic Radius 103 (-2)184 Electron Affinity 1st Ion. Pot. 2.08 10.36 + – 17 Cl 35.45 Chlorine [Ne]3s2p5 Oxidation States Electroneg. 1,3,5,7 3.16 Atomic Radius Ionic Radius 99 (-1)181 Electron Affinity 1st Ion. Pot. 3.61 12.97 + – 18 Ar 39.95 Argon [Ne]3s2p6 Oxidation States Electroneg. – – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. Unstable Anion 15.76 + – 53 I 126.9 Iodine [Kr]4d105s2p5 Oxidation States Electroneg. 1,5,7 2.66 Atomic Radius Ionic Radius 133 (-1)220 Electron Affinity 1st Ion. Pot. 3.06 10.45 + – 54 Xe 131.3 Xenon [Kr]4d105s2p6 Oxidation States Electroneg. – 2.60 Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. Unstable Anion 12.13 + – 86 Rn 222 Radon [Xe]4f145d106s2p6 Oxidation States Electroneg. – – Atomic Radius Ionic Radius – – Electron Affinity 1st Ion. Pot. Unstable Anion 10.75 51 Sb 121.8 Antimony [Kr]4d105s2p3 Oxidation States Electroneg. 3,5 2.05 Atomic Radius Ionic Radius 145 (+3)76 Electron Affinity 1st Ion. Pot. 1.07 8.64 + – 32 Ge 72.61 Germanium [Ar]3d104s2p2 Oxidation States Electroneg. 4 2.01 Atomic Radius Ionic Radius 123 (+4)53 Electron Affinity 1st Ion. Pot. 1.23 7.90 ALKALI METALS A CT IN ID E SE RI ES LA N TH A N ID E SE RI ES Atomic Number: number of protons Atomic Weight: weighted average of atomic masses of natural isotopes - mass number of the most stable isotope for each radioactive element BarCharts, Inc.® WORLD’S #1 ACADEMIC OUTLINE1 2 3 4 5 6 7 8 9 11 1210 13 14 15 16 17 18 ALKALINE EARTH METALS HALOGENS Electronegativity: Pauling scale; measures ability of atom to attract electrons in a chemical bond Atomic Radius: given in “pm”; 1 pm = 1x10-12m Ionic Radius: given in “pm”; 1 pm = 1x10-12m Electron Affinity: energy released in the formation of an anion: given in “eV” 1st Ionization Potential: energy required to remove one electron, forming a cation; given in “eV” $4.95 U.S. / $7.50 CAN REFERENCE: CRC Handbook of Chemistry and Physics • 81st edition, 2000-2001 CONTENT ADVISOR: Mark Jackson, PhD Chemistry Professor - Florida Atlantic University DESIGN / LAYOUT: John Ford, CEO - Customer Hotline # 1.800.230.9522 March 2005 ISBN 142320003-9 visit us at quickstudy.com All rights reserved. No part of this publica- tion may be reproduced or transmitted in any form, or by any means, electronic or mechan- ical, including photocopy, recording, or any information storage and retrieval system, without written permission from the publisher. ©2002, 2005 BarCharts, Inc. H2 gas Li bcc Be hex Mg hex Ca fcc Sc hex Ti hex V bcc Cr bcc Mn bcc Fe bcc Co hex Ni fcc Cu fcc Zn hex Ga ortho Ge fcc As rhom Se hex Br2 liquid Kr gas Al fcc Si fcc P cubic S ortho Cl2 gas Ar gas B rhom C hex N2 gas O2 gas F2 gas Ne gas He gas Y hex Zr hex Nb bcc Mo bcc Tc hex Ru hex Rh fcc Pd fcc Ag fcc Cd hex In tetra Sn tetra Sb rhom Te hex I2 ortho Xe gas La hex Hf hex Ta bcc W bcc Re hex Os hex Ir fcc Pt fcc Au fcc Hg liquid Tl hex Pb fcc Bi rhom Po cubic At – Rn gas Ce fcc Pr hex Nd hex Pm hex Sm rhom Eu bcc Gd hex Tb hex Dy hex Ho hex Er hex Tm hex Yb fcc Lu hex Th fcc Pa tetra U ortho Np ortho Pu mono Am hex Cm hex Bk hex Cf hex Es hex Fm – Md – No – Lr – Sr fcc Ba bcc Ra bcc Ac fcc Na bcc K bcc Rb bcc Cs bcc Fr – H2 .089* Li 0.53 Be 1.85 Mg 1.74 Ca 1.54 Sc 2.99 Ti 4.51 V 6.0 Cr 7.15 Mn 7.3 Fe 7.87 Co 8.86 Ni 8.90 Cu 8.96 Zn 7.14 Ga 5.91 Ge 5.32 As 5.72 Se 4.80 Br2 3.12 Kr *3.73 Al 2.70 Si 2.33 P 1.82 S 2.07 Cl2 *3.21 Ar *1.78 B 2.34 C 2.26 N2 *1.25 O2 *1.43 F2 *1.70 Ne *.90 He *.179 Y 4.47 Zr 6.52 Nb 8.57 Mo 10.2 Tc 11 Ru 12.1 Rh 12.4 Pd 12.0 Ag 10.5 Cd 8.69 In 7.31 Sn 7.26 Sb 6.68 Te 6.24 I2 4.92 Xe *5.89 La 6.15 Hf 13.3 Ta 16.4 W 19.3 Re 20.8 Os 22.6 Ir 22.5 Pt 21.5 Au 19.3 Hg 13.53 Tl 11.8 Pb 11.3 Bi 9.79 Po 9.2 At – Rn *9.73 Ce 6.77 Pr 6.77 Nd 7.01 Pm 7.26 Sm 7.52 Eu 5.24 Gd 7.90 Tb 8.23 Dy 8.55 Ho 8.80 Er 9.07 Tm 9.32 Yb 6.90 Lu 9.84 Th 11.7 Pa 15.4 U 19.1 Np 20.2 Pu 19.7 Am 13.6 Cm 13.5 Bk 14.8 Cf – Es – Fm – Md – No – Lr – Sr 2.64 Ba 3.62 Ra 5.0 Ac 10.0 Na 0.97 K 0.89 Rb 1.53 Cs 1.93 Fr – H2 -253 Li 1342 Be 2471 Mg 1090 Ca 1484 Sc 2836 Ti 3287 V 3407 Cr 2671 Mn 2061 Fe 2861 Co 2927 Ni 2913 Cu 2562 Zn 907 Ga 2204 Ge 2833 As 603sp Se 685 Br2 59 Kr -153 Al 2519 Si 3265 P 280 S 445 Cl2 -34 Ar -186 B 4000 C 3825sp N2 -196 O2 -183 F2 -188 Ne -246 He -269 Y 3345 Zr 4409 Nb 4744 Mo 4639 Tc 4265