Periodic Table register

A list of the 118 elements of the periodic table

Periodic-Table Atomic Weight Name Symbol M.P B.P Density Earth Crust (%) Year Of Discovery Group Electron Configuration Ionisation Energy (Ev)
Atomic number (u) Name of the chemical element Chemical Symbol Melting point (°C) Boiling point (°C) (g/cm3) The year the element was first discovered Periodic table column (eV)
1 1.008 Hydrogen H -259 -253 0.09 0.14 1776 1 1s1 13.60
10 20.180 Neon Ne -249 -246 0.90 1898 18 [He] 2s2 2p6 21.56
100 257.000 Fermium Fm 1,527 0 0.00 1952 102 6.50
101 258.000 Mendelevium Md 0 0 0.00 1955 102 6.58
102 259.000 Nobelium No 827 0 0.00 1958 102 6.65
103 262.000 Lawrencium Lr 1,627 0 0.00 1961 102 4.90
104 261.000 Rutherfordium Rf 0 0 0.00 1964 4 0.00
105 262.000 Dubnium Db 0 0 0.00 1967 5 0.00
106 266.000 Seaborgium Sg 0 0 0.00 1974 6 0.00
107 264.000 Bohrium Bh 0 0 0.00 1981 7 0.00
108 277.000 Hassium Hs 0 0 0.00 1984 8 0.00
109 268.000 Meitnerium Mt 0 0 0.00 1982 9 0.00
11 22.990 Sodium Na 98 883 0.97 2.75 1807 1 [Ne] 3s1 5.14
110 281 Darmstadtium Ds 0 0 0 1994 10
111 282 Roentgenium Rg 0 0 0 1994 11
112 285 Copernicium Cn 0 0 0 1996 12
113 286 Nihonium Nh 0 0 0 2003 13
114 289 Flerovium Fl 0 0 0 1999 14
115 290 Moscovium Mc 0 0 0 2003 15
116 293 Livermorium Lv 0 0 0 2000 16
117 294 Tennessine Ts 0 0 0 2009 17
118 294 Oganesson Og 0 0 0 2002 18
12 24.305 Magnesium Mg 639 1,090 1.74 2.08 1755 2 [Ne] 3s2 7.65
13 26.982 Aluminum Al 660 2,467 2.70 8.07 1825 13 [Ne] 3s2 3p1 5.99
14 28.086 Silicon Si 1,410 2,355 2.33 27.69 1824 14 [Ne] 3s2 3p2 8.15
15 30.974 Phosphorus P 44 280 1.82 0.13 1669 15 [Ne] 3s2 3p3 10.49
16 32.065 Sulfur S 113 445 2.07 0.05 ancient 16 [Ne] 3s2 3p4 10.36
17 35.453 Chlorine Cl -101 -35 3.21 0.05 1774 17 [Ne] 3s2 3p5 12.97
18 39.948 Argon Ar -189 -186 1.78 1894 18 [Ne] 3s2 3p6 15.76
19 39.098 Potassium K 64 774 0.86 2.58 1807 1 [Ar] 4s1 4.34
2 4.003 Helium He -272 -269 0.18 1895 18 1s2 24.59
20 40.078 Calcium Ca 839 1,484 1.55 3.65 1808 2 [Ar] 4s2 6.11
21 44.956 Scandium Sc 1,539 2,832 2.99 1879 3 [Ar] 3d1 4s2 6.56
22 47.867 Titanium Ti 1,660 3,287 4.54 0.62 1791 4 [Ar] 3d2 4s2 6.83
23 50.942 Vanadium V 1,890 3,380 6.11 1830 5 [Ar] 3d3 4s2 6.75
24 51.996 Chromium Cr 1,857 2,672 7.19 0.04 1797 6 [Ar] 3d5 4s1 6.77
25 54.938 Manganese Mn 1,245 1,962 7.43 0.09 1774 7 [Ar] 3d5 4s2 7.43
26 55.845 Iron Fe 1,535 2,750 7.87 5.05 ancient 8 [Ar] 3d6 4s2 7.90
27 58.933 Cobalt Co 1,495 2,870 8.90 1735 9 [Ar] 3d7 4s2 7.88
28 58.693 Nickel Ni 1,453 2,732 8.90 0.02 1751 10 [Ar] 3d8 4s2 7.64
29 63.546 Copper Cu 1,083 2,567 8.96 ancient 11 [Ar] 3d10 4s1 7.73
3 6.941 Lithium Li 180 1,347 0.53 1817 1 [He] 2s1 5.39
30 65.390 Zinc Zn 420 907 7.13 ancient 12 [Ar] 3d10 4s2 9.39
31 69.723 Gallium Ga 30 2,403 5.91 1875 13 [Ar] 3d10 4s2 4p1 6.00
32 72.640 Germanium Ge 937 2,830 5.32 1886 14 [Ar] 3d10 4s2 4p2 7.90
33 74.922 Arsenic As 81 613 5.72 ancient 15 [Ar] 3d10 4s2 4p3 9.79
34 78.960 Selenium Se 217 685 4.79 1817 16 [Ar] 3d10 4s2 4p4 9.75
35 79.904 Bromine Br -7 59 3.12 1826 17 [Ar] 3d10 4s2 4p5 11.81
36 83.800 Krypton Kr -157 -153 3.75 1898 18 [Ar] 3d10 4s2 4p6 14.00
37 85.468 Rubidium Rb 39 688 1.63 1861 1 [Kr] 5s1 4.18
38 87.620 Strontium Sr 769 1,384 2.54 1790 2 [Kr] 5s2 5.69
39 88.906 Yttrium Y 1,523 3,337 4.47 1794 3 [Kr] 4d1 5s2 6.22
4 9.012 Beryllium Be 1,278 2,970 1.85 1797 2 [He] 2s2 9.32
40 91.224 Zirconium Zr 1,852 4,377 6.51 0.03 1789 4 [Kr] 4d2 5s2 6.63
41 92.906 Niobium Nb 2,468 4,927 8.57 1801 5 [Kr] 4d4 5s1 6.76
42 95.940 Molybdenum Mo 2,617 4,612 10.22 1781 6 [Kr] 4d5 5s1 7.09
43 98.000 Technetium Tc 2,200 4,877 11.50 1937 7 [Kr] 4d5 5s2 7.28
44 101.070 Ruthenium Ru 2,250 3,900 12.37 1844 8 [Kr] 4d7 5s1 7.36
45 102.906 Rhodium Rh 1,966 3,727 12.41 1803 9 [Kr] 4d8 5s1 7.46
46 106.420 Palladium Pd 1,552 2,927 12.02 1803 10 [Kr] 4d10 8.34
47 107.868 Silver Ag 962 2,212 10.50 ancient 11 [Kr] 4d10 5s1 7.58
48 112.411 Cadmium Cd 321 765 8.65 1817 12 [Kr] 4d10 5s2 8.99
49 114.818 Indium In 157 2,000 7.31 1863 13 [Kr] 4d10 5s2 5p1 5.79
5 10.811 Boron B 2,300 2,550 2.34 1808 13 [He] 2s2 2p1 8.30
50 118.710 Tin Sn 232 2,270 7.31 ancient 14 [Kr] 4d10 5s2 5p2 7.34
51 121.760 Antimony Sb 630 1,750 6.68 ancient 15 [Kr] 4d10 5s2 5p3 8.61
52 127.600 Tellurium Te 449 990 6.24 1783 16 [Kr] 4d10 5s2 5p4 9.01
53 126.905 Iodine I 114 184 4.93 1811 17 [Kr] 4d10 5s2 5p5 10.45
54 131.293 Xenon Xe -112 -108 5.90 1898 18 [Kr] 4d10 5s2 5p6 12.13
55 132.906 Cesium Cs 29 678 1.87 1860 1 [Xe] 6s1 3.89
56 137.327 Barium Ba 725 1,140 3.59 0.05 1808 2 [Xe] 6s2 5.21
57 138.906 Lanthanum La 920 3,469 6.15 1839 3 [Xe] 5d1 6s2 5.58
58 140.116 Cerium Ce 795 3,257 6.77 1803 101 [Xe] 4f1 5d1 6s2 5.54
59 140.908 Praseodymium Pr 935 3,127 6.77 1885 101 [Xe] 4f3 6s2 5.47
6 12.011 Carbon C 3,500 4,827 2.26 0.09 ancient 14 [He] 2s2 2p2 11.26
60 144.240 Neodymium Nd 1,010 3,127 7.01 1885 101 [Xe] 4f4 6s2 5.53
61 145.000 Promethium Pm 1,100 3,000 7.30 1945 101 [Xe] 4f5 6s2 5.58
62 150.360 Samarium Sm 1,072 1,900 7.52 1879 101 [Xe] 4f6 6s2 5.64
63 151.964 Europium Eu 822 1,597 5.24 1901 101 [Xe] 4f7 6s2 5.67
64 157.250 Gadolinium Gd 1,311 3,233 7.90 1880 101 [Xe] 4f7 5d1 6s2 6.15
65 158.925 Terbium Tb 1,360 3,041 8.23 1843 101 [Xe] 4f9 6s2 5.86
66 162.500 Dysprosium Dy 1,412 2,562 8.55 1886 101 [Xe] 4f10 6s2 5.94
67 164.930 Holmium Ho 1,470 2,720 8.80 1867 101 [Xe] 4f11 6s2 6.02
68 167.259 Erbium Er 1,522 2,510 9.07 1842 101 [Xe] 4f12 6s2 6.11
69 168.934 Thulium Tm 1,545 1,727 9.32 1879 101 [Xe] 4f13 6s2 6.18
7 14.007 Nitrogen N -210 -196 1.25 1772 15 [He] 2s2 2p3 14.53
70 173.040 Ytterbium Yb 824 1,466 6.90 1878 101 [Xe] 4f14 6s2 6.25
71 174.967 Lutetium Lu 1,656 3,315 9.84 1907 101 [Xe] 4f14 5d1 6s2 5.43
72 178.490 Hafnium Hf 2,150 5,400 13.31 1923 4 [Xe] 4f14 5d2 6s2 6.83
73 180.948 Tantalum Ta 2,996 5,425 16.65 1802 5 [Xe] 4f14 5d3 6s2 7.55
74 183.840 Tungsten W 3,410 5,660 19.35 1783 6 [Xe] 4f14 5d4 6s2 7.86
75 186.207 Rhenium Re 3,180 5,627 21.04 1925 7 [Xe] 4f14 5d5 6s2 7.83
76 190.230 Osmium Os 3,045 5,027 22.60 1803 8 [Xe] 4f14 5d6 6s2 8.44
77 192.217 Iridium Ir 2,410 4,527 22.40 1803 9 [Xe] 4f14 5d7 6s2 8.97
78 195.078 Platinum Pt 1,772 3,827 21.45 1735 10 [Xe] 4f14 5d9 6s1 8.96
79 196.967 Gold Au 1,064 2,807 19.32 ancient 11 [Xe] 4f14 5d10 6s1 9.23
8 15.999 Oxygen O -218 -183 1.43 46.71 1774 16 [He] 2s2 2p4 13.62
80 200.590 Mercury Hg -39 357 13.55 ancient 12 [Xe] 4f14 5d10 6s2 10.44
81 204.383 Thallium Tl 303 1,457 11.85 1861 13 [Xe] 4f14 5d10 6s2 6p1 6.11
82 207.200 Lead Pb 327 1,740 11.35 ancient 14 [Xe] 4f14 5d10 6s2 6p2 7.42
83 208.980 Bismuth Bi 271 1,560 9.75 ancient 15 [Xe] 4f14 5d10 6s2 6p3 7.29
84 209.000 Polonium Po 254 962 9.30 1898 16 [Xe] 4f14 5d10 6s2 6p4 8.42
85 210.000 Astatine At 302 337 0.00 1940 17 [Xe] 4f14 5d10 6s2 6p5 9.30
86 222.000 Radon Rn -71 -62 9.73 1900 18 [Xe] 4f14 5d10 6s2 6p6 10.75
87 223.000 Francium Fr 27 677 0.00 1939 1 [Rn] 7s1 4.07
88 226.000 Radium Ra 700 1,737 5.50 1898 2 [Rn] 7s2 5.28
89 227.000 Actinium Ac 1,050 3,200 10.07 1899 3 [Rn] 6d1 7s2 5.17
9 18.998 Fluorine F -220 -188 1.70 0.03 1886 17 [He] 2s2 2p5 17.42
90 232.038 Thorium Th 1,750 4,790 11.72 1829 102 [Rn] 6d2 7s2 6.31
91 231.036 Protactinium Pa 1,568 0 15.40 1913 102 [Rn] 5f2 6d1 7s2 5.89
92 238.029 Uranium U 1,132 3,818 18.95 1789 102 [Rn] 5f3 6d1 7s2 6.19
93 237.000 Neptunium Np 640 3,902 20.20 1940 102 [Rn] 5f4 6d1 7s2 6.27
94 244.000 Plutonium Pu 640 3,235 19.84 1940 102 [Rn] 5f6 7s2 6.03
95 243.000 Americium Am 994 2,607 13.67 1944 102 [Rn] 5f7 7s2 5.97
96 247.000 Curium Cm 1,340 0 13.50 1944 102 5.99
97 247.000 Berkelium Bk 986 0 14.78 1949 102 6.20
98 251.000 Californium Cf 900 0 15.10 1950 102 6.28
99 252.000 Einsteinium Es 860 0 0.00 1952 102 6.42
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