Atomic Number Name Atomic Mass Symbol Melting Pt. Boiling Pt Density Heat Capacity % Earth's Crust Discovered Group Atomic Configuration
89 Actinium 227 Ac 1050 3200 10.07 0.120 1899 3 [Rn] 6d1 7s2
13 Aluminum 26.9815 Al 660 2467 2.70 0.897 8.070 1825 13 [Ne] 3s2 3p1
95 Americium 243 Am 994 2607 13.67 1944 9
51 Antimony 121.76 Sb 630 1750 6.68 0.207 ancient 15 [Kr] 4d10 5s2 5p3
18 Argon 39.948 Ar -189 -186 1.78 0.520 1894 18 [Ne] 3s2 3p6
33 Arsenic 74.9216 As 81 613 5.72 0.329 ancient 15 [Ar] 3d10 4s2 4p3
85 Astatine 210 At 302 337 1940 17 [Xe] 4f14 5d10 6s2 6p5
56 Barium 137.327 Ba 725 1140 3.59 0.050 1808 2 [Xe] 6s2
97 Berkelium 247 Bk 986 14.78 0.204 1949 11
4 Beryllium 9.0122 Be 1278 2970 1.85 1.825 1797 2 [He] 2s2
83 Bismuth 208.9804 Bi 271 1560 9.75 0.122 ancient 15 [Xe] 4f14 5d10 6s2 6p3
107 Bohrium 264 Bh 1981 7
5 Boron 10.811 B 2300 2550 2.34 1.026 1808 13 [He] 2s2 2p1
35 Bromine 79.904 Br -7 59 3.12 0.226 1826 17 [Ar] 3d10 4s2 4p5
48 Cadmium 112.411 Cd 321 765 8.65 0.232 1817 12 [Kr] 4d10 5s2
20 Calcium 40.078 Ca 839 1484 1.55 0.647 3.650 1808 2 [Ar] 4s2
98 Californium 251 Cf 900 15.10 1950 12
6 Carbon 12.0107 C 3500 4827 2.26 0.709 0.094 ancient 14 [He] 2s2 2p2
58 Cerium 140.116 Ce 795 3257 6.77 0.192 1803 4 [Xe] 4f1 5d1 6s2
55 Cesium 132.9055 Cs 29 678 1.87 0.242 1860 1 [Xe] 6s1
17 Chlorine 35.453 Cl -101 -35 3.21 0.479 0.045 1774 17 [Ne] 3s2 3p5
24 Chromium 51.9961 Cr 1857 2672 7.19 0.449 0.035 1797 6 [Ar] 3d5 4s1
27 Cobalt 58.9332 Co 1495 2870 8.90 0.421 1735 9 [Ar] 3d7 4s2
29 Copper 63.546 Cu 1083 2567 8.96 0.385 ancient 11 [Ar] 3d10 4s1
96 Curium 247 Cm 1340 13.50 1944 10
105 Dubnium 262 Db 1967 5
66 Dysprosium 162.5 Dy 1412 2562 8.55 0.173 1886 12 [Xe] 4f10 6s2
99 Einsteinium 252 Es 860 1952 13
68 Erbium 167.259 Er 1522 2510 9.07 0.168 1842 14 [Xe] 4f12 6s2
63 Europium 151.964 Eu 822 1597 5.24 0.182 1901 9 [Xe] 4f7 6s2
100 Fermium 257 Fm 1527 1952 14
9 Fluorine 18.9984 F -220 -188 1.70 0.824 0.029 1886 17 [He] 2s2 2p5
87 Francium 223 Fr 27 677 1939 1 [Rn] 7s1
64 Gadolinium 157.25 Gd 1311 3233 7.90 0.236 1880 10 [Xe] 4f7 5d1 6s2
31 Gallium 69.723 Ga 30 2403 5.91 0.371 1875 13 [Ar] 3d10 4s2 4p1
32 Germanium 72.64 Ge 937 2830 5.32 0.320 1886 14 [Ar] 3d10 4s2 4p2
79 Gold 196.9665 Au 1064 2807 19.32 0.129 ancient 11 [Xe] 4f14 5d10 6s1
72 Hafnium 178.49 Hf 2150 5400 13.31 0.144 1923 4 [Xe] 4f14 5d2 6s2
108 Hassium 277 Hs 1984 8
2 Helium 4.0026 He -272 -269 0.18 5.193 1895 18 1s2
67 Holmium 164.9303 Ho 1470 2720 8.80 0.165 1867 13 [Xe] 4f11 6s2
1 Hydrogen 1.0079 H -259 -253 0.09 14.304 0.140 1776 1 1s1
49 Indium 114.818 In 157 2000 7.31 0.233 1863 13 [Kr] 4d10 5s2 5p1
53 Iodine 126.9045 I 114 184 4.93 0.145 1811 17 [Kr] 4d10 5s2 5p5
77 Iridium 192.217 Ir 2410 4527 22.40 0.131 1803 9 [Xe] 4f14 5d7 6s2
26 Iron 55.845 Fe 1535 2750 7.87 0.449 5.050 ancient 8 [Ar] 3d6 4s2
36 Krypton 83.8 Kr -157 -153 3.75 0.248 1898 18 [Ar] 3d10 4s2 4p6
57 Lanthanum 138.9055 La 920 3469 6.15 0.195 1839 3 [Xe] 5d1 6s2
103 Lawrencium 262 Lr 1627 1961 17
82 Lead 207.2 Pb 327 1740 11.35 0.129 ancient 14 [Xe] 4f14 5d10 6s2 6p2
3 Lithium 6.941 Li 180 1347 0.53 3.582 1817 1 [He] 2s1
71 Lutetium 174.967 Lu 1656 3315 9.84 0.154 1907 17 [Xe] 4f14 5d1 6s2
12 Magnesium 24.305 Mg 639 1090 1.74 1.023 2.080 1755 2 [Ne] 3s2
25 Manganese 54.938 Mn 1245 1962 7.43 0.479 0.090 1774 7 [Ar] 3d5 4s2
109 Meitnerium 268 Mt 1982 9
101 Mendelevium 258 Md 1955 15
80 Mercury 200.59 Hg -39 357 13.55 0.140 ancient 12 [Xe] 4f14 5d10 6s2
42 Molybdenum 95.94 Mo 2617 4612 10.22 0.251 1781 6 [Kr] 4d5 5s1
60 Neodymium 144.24 Nd 1010 3127 7.01 0.190 1885 6 [Xe] 4f4 6s2
10 Neon 20.1797 Ne -249 -246 0.90 1.030 1898 18 [He] 2s2 2p6
93 Neptunium 237 Np 640 3902 20.20 1940 7
28 Nickel 58.6934 Ni 1453 2732 8.90 0.444 0.019 1751 10 [Ar] 3d8 4s2
41 Niobium 92.9064 Nb 2468 4927 8.57 0.265 1801 5 [Kr] 4d4 5s1
7 Nitrogen 14.0067 N -210 -196 1.25 1.040 1772 15 [He] 2s2 2p3
102 Nobelium 259 No 827 1958 16
76 Osmium 190.23 Os 3045 5027 22.60 0.130 1803 8 [Xe] 4f14 5d6 6s2
8 Oxygen 15.9994 O -218 -183 1.43 0.918 46.710 1774 16 [He] 2s2 2p4
46 Palladium 106.42 Pd 1552 2927 12.02 0.244 1803 10 [Kr] 4d10
15 Phosphorus 30.9738 P 44 280 1.82 0.769 0.130 1669 15 [Ne] 3s2 3p3
78 Platinum 195.078 Pt 1772 3827 21.45 0.133 1735 10 [Xe] 4f14 5d9 6s1
94 Plutonium 244 Pu 640 3235 19.84 1940 8
84 Polonium 209 Po 254 962 9.30 1898 16 [Xe] 4f14 5d10 6s2 6p4
19 Potassium 39.0983 K 64 774 0.86 0.757 2.580 1807 1 [Ar] 4s1
59 Praseodymium 140.9077 Pr 935 3127 6.77 0.193 1885 5 [Xe] 4f3 6s2
61 Promethium 145 Pm 1100 3000 7.30 1945 7 [Xe] 4f5 6s2
91 Protactinium 231.0359 Pa 1568 15.40 1913 5 [Rn] 5f2 6d1 7s2
88 Radium 226 Ra 700 1737 5.50 1898 2 [Rn] 7s2
86 Radon 222 Rn -71 -62 9.73 0.094 1900 18 [Xe] 4f14 5d10 6s2 6p6
75 Rhenium 186.207 Re 3180 5627 21.04 0.137 1925 7 [Xe] 4f14 5d5 6s2
45 Rhodium 102.9055 Rh 1966 3727 12.41 0.243 1803 9 [Kr] 4d8 5s1
37 Rubidium 85.4678 Rb 39 688 1.63 0.363 1861 1 [Kr] 5s1
44 Ruthenium 101.07 Ru 2250 3900 12.37 0.238 1844 8 [Kr] 4d7 5s1
104 Rutherfordium 261 Rf 1964 4
62 Samarium 150.36 Sm 1072 1900 7.52 0.197 1879 8 [Xe] 4f6 6s2
21 Scandium 44.9559 Sc 1539 2832 2.99 0.568 1879 3 [Ar] 3d1 4s2
106 Seaborgium 266 Sg 1974 6
34 Selenium 78.96 Se 217 685 4.79 0.321 1817 16 [Ar] 3d10 4s2 4p4
14 Silicon 28.0855 Si 1410 2355 2.33 0.705 27.690 1824 14 [Ne] 3s2 3p2
47 Silver 107.8682 Ag 962 2212 10.50 0.235 ancient 11 [Kr] 4d10 5s1
11 Sodium 22.9897 Na 98 883 0.97 1.228 2.750 1807 1 [Ne] 3s1
38 Strontium 87.62 Sr 769 1384 2.54 0.301 1790 2 [Kr] 5s2
16 Sulfur 32.065 S 113 445 2.07 0.710 0.052 ancient 16 [Ne] 3s2 3p4
73 Tantalum 180.9479 Ta 2996 5425 16.65 0.140 1802 5 [Xe] 4f14 5d3 6s2
43 Technetium 98 Tc 2200 4877 11.50 1937 7 [Kr] 4d5 5s2
52 Tellurium 127.6 Te 449 990 6.24 0.202 1783 16 [Kr] 4d10 5s2 5p4
65 Terbium 158.9253 Tb 1360 3041 8.23 0.182 1843 11 [Xe] 4f9 6s2
81 Thallium 204.3833 Tl 303 1457 11.85 0.129 1861 13 [Xe] 4f14 5d10 6s2 6p1
90 Thorium 232.0381 Th 1750 4790 11.72 0.113 1829 4 [Rn] 6d2 7s2
69 Thulium 168.9342 Tm 1545 1727 9.32 0.160 1879 15 [Xe] 4f13 6s2
50 Tin 118.71 Sn 232 2270 7.31 0.228 ancient 14 [Kr] 4d10 5s2 5p2
22 Titanium 47.867 Ti 1660 3287 4.54 0.523 0.620 1791 4 [Ar] 3d2 4s2
74 Tungsten 183.84 W 3410 5660 19.35 0.132 1783 6 [Xe] 4f14 5d4 6s2
92 Uranium 238.0289 U 1132 3818 18.95 0.116 1789 6 [Rn] 5f3 6d1 7s2
23 Vanadium 50.9415 V 1890 3380 6.11 0.489 1830 5 [Ar] 3d3 4s2
54 Xenon 131.293 Xe -112 -108 5.90 0.158 1898 18 [Kr] 4d10 5s2 5p6
70 Ytterbium 173.04 Yb 824 1466 6.90 0.155 1878 16 [Xe] 4f14 6s2
39 Yttrium 88.9059 Y 1523 3337 4.47 0.298 1794 3 [Kr] 4d1 5s2
30 Zinc 65.39 Zn 420 907 7.13 0.388 ancient 12 [Ar] 3d10 4s2
40 Zirconium 91.224 Zr 1852 4377 6.51 0.278 0.025 1789 4 [Kr] 4d2 5s2