{No} {Group}
{Symbol}
{Atomicweight}{Symbol}
{Atomicweight}{Symbol}
{Atomicweight}No | Atomicweight | Name | Symbol | MP | BP | Density | Earthcrust | DiscoveryYear | Group | Period | Electron_configuration | Element_Type |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 1.0079 | Hydrogen | H | -259 | -253 | 0.09 | 0.14 | 1776 | 1 | one | 1s1 | NonMetal |
2 | 4.0026 | Helium | He | -272 | -269 | 1895 | 18 | one | 1s2 | Inert | ||
3 | 6.941 | Lithium | Li | 180 | 1347 | 0.53 | 1817 | 1 | two | [He] 2s1 | AlkaliMetals | |
4 | 9.0122 | Beryllium | Be | 1278 | 2970 | 1.85 | 1797 | 2 | two | [He] 2s2 | AlkaliEarthMetal | |
5 | 10.811 | Boron | B | 2300 | 2550 | 2.34 | 1808 | 13 | two | [He] 2s2 2p1 | NonMetal | |
6 | 12.01 | Carbon | C | 3500 | 4827 | 2.26 | 0.094 | ancient | 14 | two | [He] 2s2 2p2 | NonMetal |
7 | 14.00 | Nitrogen | N | -210 | -196 | 1.25 | 1772 | 15 | two | [He] 2s2 2p3 | NonMetal | |
8 | 15.99 | Oxygen | O | -218 | -183 | 1.43 | 46.71 | 1774 | 16 | two | [He] 2s2 2p4 | NonMetal |
9 | 18.99 | Fluorine | F | -220 | -188 | 1.7 | 0.029 | 1886 | 17 | two | [He] 2s2 2p5 | Halogen |
10 | 20.17 | Neon | Ne | -249 | -246 | 1898 | 18 | two | [He] 2s2 2p6 | Inert | ||
11 | 22.98 | Sodium | Na | 98 | 883 | 0.97 | 2.75 | 1807 | 1 | three | [Ne] 3s1 | AlkaliMetals |
12 | 24.30 | Magnesium | Mg | 639 | 1090 | 1.74 | 2.08 | 1755 | 2 | three | [Ne] 3s2 | AlkaliEarthMetal |
13 | 26.981 | Aluminum | Al | 660 | 2467 | 2.7 | 8.07 | 1825 | 13 | three | [Ne] 3s2 3p1 | OtherMetals |
14 | 28.085 | Silicon | Si | 1410 | 2355 | 2.33 | 27.69 | 1824 | 14 | three | [Ne] 3s2 3p2 | NonMetal |
15 | 30.973 | Phosphorus | P | 44 | 280 | 1.82 | 0.13 | 1669 | 15 | three | [Ne] 3s2 3p3 | NonMetal |
16 | 32.065 | Sulfur | S | 113 | 445 | 2.07 | 0.052 | ancient | 16 | three | [Ne] 3s2 3p4 | NonMetal |
17 | 35.453 | Chlorine | Cl | -101 | -35 | 3.21 | 0.045 | 1774 | 17 | three | [Ne] 3s2 3p5 | Halogen |
18 | 39.948 | Argon | Ar | -189 | -186 | 1894 | 18 | three | [Ne] 3s2 3p6 | Inert | ||
19 | 39.098 | Potassium | K | 64 | 774 | 0.86 | 2.58 | 1807 | 1 | four | [Ar] 4s1 | AlkaliMetals |
20 | 40.078 | Calcium | Ca | 839 | 1484 | 1.55 | 3.65 | 1808 | 2 | four | [Ar] 4s2 | AlkaliEarthMetal |
21 | 44.95 | Scandium | Sc | 1539 | 2832 | 2.99 | 1879 | 3 | four | [Ar] 3d1 4s2 | TransitionMetal | |
22 | 47.867 | Titanium | Ti | 1660 | 3287 | 4.54 | 0.62 | 1791 | 4 | four | [Ar] 3d2 4s2 | TransitionMetal |
23 | 50.941 | Vanadium | V | 1890 | 3380 | 6.11 | 1830 | 5 | four | [Ar] 3d3 4s2 | TransitionMetal | |
24 | 51.996 | Chromium | Cr | 1857 | 2672 | 7.19 | 0.035 | 1797 | 6 | four | [Ar] 3d5 4s1 | TransitionMetal |
25 | 54.938 | Manganese | Mn | 1245 | 1962 | 7.43 | 0.09 | 1774 | 7 | four | [Ar] 3d5 4s2 | TransitionMetal |
26 | 55.845 | Iron | Fe | 1535 | 2750 | 7.87 | 5.05 | ancient | 8 | four | [Ar] 3d6 4s2 | TransitionMetal |
27 | 58.933 | Cobalt | Co | 1495 | 2870 | 8.9 | 1735 | 9 | four | [Ar] 3d7 4s2 | TransitionMetal | |
28 | 58.6934 | Nickel | Ni | 1453 | 2732 | 8.9 | 0.019 | 1751 | 10 | four | [Ar] 3d8 4s2 | TransitionMetal |
29 | 63.546 | Copper | Cu | 1083 | 2567 | 8.96 | ancient | 11 | four | [Ar] 3d10 4s1 | TransitionMetal | |
30 | 65.39 | Zinc | Zn | 420 | 907 | 7.13 | ancient | 12 | four | [Ar] 3d10 4s2 | TransitionMetal | |
31 | 69.723 | Gallium | Ga | 30 | 2403 | 5.91 | 1875 | 13 | four | [Ar] 3d10 4s2 4p1 | OtherMetals | |
32 | 72.64 | Germanium | Ge | 937 | 2830 | 5.32 | 1886 | 14 | four | [Ar] 3d10 4s2 4p2 | OtherMetals | |
33 | 74.9216 | Arsenic | As | 81 | 613 | 5.72 | ancient | 15 | four | [Ar] 3d10 4s2 4p3 | NonMetal | |
34 | 78.96 | Selenium | Se | 217 | 685 | 4.79 | 1817 | 16 | four | [Ar] 3d10 4s2 4p4 | NonMetal | |
35 | 79.904 | Bromine | Br | -7 | 59 | 3.12 | 1826 | 17 | four | [Ar] 3d10 4s2 4p5 | Halogen | |
36 | 83.8 | Krypton | Kr | -157 | -153 | 1898 | 18 | four | [Ar] 3d10 4s2 4p6 | Inert | ||
37 | 85.467 | Rubidium | Rb | 39 | 688 | 1.63 | 1861 | 1 | five | [Kr] 5s1 | AlkaliMetals | |
38 | 87.62 | Strontium | Sr | 769 | 1384 | 2.54 | 1790 | 2 | five | [Kr] 5s2 | AlkaliEarthMetal | |
39 | 88.905 | Yttrium | Y | 1523 | 3337 | 4.47 | 1794 | 3 | five | [Kr] 4d1 5s2 | TransitionMetal | |
40 | 91.224 | Zirconium | Zr | 1852 | 4377 | 6.51 | 0.025 | 1789 | 4 | five | [Kr] 4d2 5s2 | TransitionMetal |
41 | 92.906 | Niobium | Nb | 2468 | 4927 | 8.57 | 1801 | 5 | five | [Kr] 4d4 5s1 | TransitionMetal | |
42 | 95.94 | Molybdenum | Mo | 2617 | 4612 | 10.22 | 1781 | 6 | five | [Kr] 4d5 5s1 | TransitionMetal | |
43 | 98 | Technetium | Tc | 2200 | 4877 | 11.5 | 1937 | 7 | five | [Kr] 4d5 5s2 | TransitionMetal | |
44 | 101.07 | Ruthenium | Ru | 2250 | 3900 | 12.37 | 1844 | 8 | five | [Kr] 4d7 5s1 | TransitionMetal | |
45 | 102.90 | Rhodium | Rh | 1966 | 3727 | 12.41 | 1803 | 9 | five | [Kr] 4d8 5s1 | TransitionMetal | |
46 | 106.42 | Palladium | Pd | 1552 | 2927 | 12.02 | 1803 | 10 | five | [Kr] 4d10 | TransitionMetal | |
47 | 107.86 | Silver | Ag | 962 | 2212 | 10.5 | ancient | 11 | five | [Kr] 4d10 5s1 | TransitionMetal | |
48 | 112.411 | Cadmium | Cd | 321 | 765 | 8.65 | 1817 | 12 | five | [Kr] 4d10 5s2 | TransitionMetal | |
49 | 114.81 | Indium | In | 157 | 2000 | 7.31 | 1863 | 13 | five | [Kr] 4d10 5s2 5p1 | OtherMetals | |
50 | 118.71 | Tin | Sn | 232 | 2270 | 7.31 | ancient | 14 | five | [Kr] 4d10 5s2 5p2 | OtherMetals | |
51 | 121.76 | Antimony | Sb | 630 | 1750 | 6.68 | ancient | 15 | five | [Kr] 4d10 5s2 5p3 | OtherMetals | |
52 | 127.6 | Tellurium | Te | 449 | 990 | 6.24 | 1783 | 16 | five | [Kr] 4d10 5s2 5p4 | NonMetal | |
53 | 126.90 | Iodine | I | 114 | 184 | 4.93 | 1811 | 17 | five | [Kr] 4d10 5s2 5p5 | Halogen | |
54 | 131.293 | Xenon | Xe | -112 | -108 | 1898 | 18 | five | [Kr] 4d10 5s2 5p6 | Inert | ||
55 | 132.905 | Cesium | Cs | 29 | 678 | 1.87 | 1860 | 1 | six | [Xe] 6s1 | AlkaliMetals | |
56 | 137.327 | Barium | Ba | 725 | 1140 | 3.59 | 0.05 | 1808 | 2 | six | [Xe] 6s2 | AlkaliEarthMetal |
57 | 138.905 | Lanthanum | La | 920 | 3469 | 6.15 | 1839 | 3 | six | [Xe] 5d1 6s2 | TransitionMetal | |
58 | 140.116 | Cerium | Ce | 795 | 3257 | 6.77 | 1803 | 101 | lanthanide | [Xe] 4f1 5d1 6s2 | RareEarthMetal | |
59 | 140.90 | Praseodymium | Pr | 935 | 3127 | 6.77 | 1885 | 101 | lanthanide | [Xe] 4f3 6s2 | RareEarthMetal | |
60 | 144.24 | Neodymium | Nd | 1010 | 3127 | 7.01 | 1885 | 101 | lanthanide | [Xe] 4f4 6s2 | RareEarthMetal | |
61 | 145 | Promethium | Pm | 1100 | 3000 | 7.3 | 1945 | 101 | lanthanide | [Xe] 4f5 6s2 | RareEarthMetal | |
62 | 150.36 | Samarium | Sm | 1072 | 1900 | 7.52 | 1879 | 101 | lanthanide | [Xe] 4f6 6s2 | RareEarthMetal | |
63 | 151.964 | Europium | Eu | 822 | 1597 | 5.24 | 1901 | 101 | lanthanide | [Xe] 4f7 6s2 | RareEarthMetal | |
64 | 157.25 | Gadolinium | Gd | 1311 | 3233 | 7.9 | 1880 | 101 | lanthanide | [Xe] 4f7 5d1 6s2 | RareEarthMetal | |
65 | 158.92 | Terbium | Tb | 1360 | 3041 | 8.23 | 1843 | 101 | lanthanide | [Xe] 4f9 6s2 | RareEarthMetal | |
66 | 162.5 | Dysprosium | Dy | 1412 | 2562 | 8.55 | 1886 | 101 | lanthanide | [Xe] 4f10 6s2 | RareEarthMetal | |
67 | 164.93 | Holmium | Ho | 1470 | 2720 | 8.8 | 1867 | 101 | lanthanide | [Xe] 4f11 6s2 | RareEarthMetal | |
68 | 167.259 | Erbium | Er | 1522 | 2510 | 9.07 | 1842 | 101 | lanthanide | [Xe] 4f12 6s2 | RareEarthMetal | |
69 | 168.93 | Thulium | Tm | 1545 | 1727 | 9.32 | 1879 | 101 | lanthanide | [Xe] 4f13 6s2 | RareEarthMetal | |
70 | 173.04 | Ytterbium | Yb | 824 | 1466 | 6.9 | 1878 | 101 | lanthanide | [Xe] 4f14 6s2 | RareEarthMetal | |
71 | 174.967 | Lutetium | Lu | 1656 | 3315 | 9.84 | 1907 | 101 | lanthanide | [Xe] 4f14 5d1 6s2 | RareEarthMetal | |
72 | 178.49 | Hafnium | Hf | 2150 | 5400 | 13.31 | 1923 | 4 | six | [Xe] 4f14 5d2 6s2 | TransitionMetal | |
73 | 180.94 | Tantalum | Ta | 2996 | 5425 | 16.65 | 1802 | 5 | six | [Xe] 4f14 5d3 6s2 | TransitionMetal | |
74 | 183.84 | Tungsten | W | 3410 | 5660 | 19.35 | 1783 | 6 | six | [Xe] 4f14 5d4 6s2 | TransitionMetal | |
75 | 186.207 | Rhenium | Re | 3180 | 5627 | 21.04 | 1925 | 7 | six | [Xe] 4f14 5d5 6s2 | TransitionMetal | |
76 | 190.23 | Osmium | Os | 3045 | 5027 | 22.6 | 1803 | 8 | six | [Xe] 4f14 5d6 6s2 | TransitionMetal | |
77 | 192.217 | Iridium | Ir | 2410 | 4527 | 22.4 | 1803 | 9 | six | [Xe] 4f14 5d7 6s2 | TransitionMetal | |
78 | 195.078 | Platinum | Pt | 1772 | 3827 | 21.45 | 1735 | 10 | six | [Xe] 4f14 5d9 6s1 | TransitionMetal | |
79 | 196.96 | Gold | Au | 1064 | 2807 | 19.32 | ancient | 11 | six | [Xe] 4f14 5d10 6s1 | TransitionMetal | |
80 | 200.59 | Mercury | Hg | -39 | 357 | 13.55 | ancient | 12 | six | [Xe] 4f14 5d10 6s2 | TransitionMetal | |
81 | 204.38 | Thallium | Tl | 303 | 1457 | 11.85 | 1861 | 13 | six | [Xe] 4f14 5d10 6s2 6p1 | OtherMetals | |
82 | 207.2 | Lead | Pb | 327 | 1740 | 11.35 | ancient | 14 | six | [Xe] 4f14 5d10 6s2 6p2 | OtherMetals | |
83 | 208.98 | Bismuth | Bi | 271 | 1560 | 9.75 | ancient | 15 | six | [Xe] 4f14 5d10 6s2 6p3 | OtherMetals | |
84 | 209 | Polonium | Po | 254 | 962 | 9.3 | 1898 | 16 | six | [Xe] 4f14 5d10 6s2 6p4 | OtherMetals | |
85 | 210 | Astatine | At | 302 | 337 | 1940 | 17 | six | [Xe] 4f14 5d10 6s2 6p5 | Halogen | ||
86 | 222 | Radon | Rn | -71 | -62 | 1900 | 18 | six | [Xe] 4f14 5d10 6s2 6p6 | Inert | ||
87 | 223 | Francium | Fr | 27 | 677 | 1939 | 1 | seven | [Rn] 7s1 | AlkaliMetals | ||
88 | 226 | Radium | Ra | 700 | 1737 | 5.5 | 1898 | 2 | seven | [Rn] 7s2 | AlkaliEarthMetal | |
89 | 227 | Actinium | Ac | 1050 | 3200 | 10.07 | 1899 | 3 | seven | [Rn] 6d1 7s2 | TransitionMetal | |
90 | 232.03 | Thorium | Th | 1750 | 4790 | 11.72 | 1829 | 102 | actinide | [Rn] 6d2 7s2 | RareEarthMetal | |
91 | 231.03 | Protactinium | Pa | 1568 | 15.4 | 1913 | 102 | actinide | [Rn] 5f2 6d1 7s2 | RareEarthMetal | ||
92 | 238.02 | Uranium | U | 1132 | 3818 | 18.95 | 1789 | 102 | actinide | [Rn] 5f3 6d1 7s2 | RareEarthMetal | |
93 | 237 | Neptunium | Np | 640 | 3902 | 20.2 | 1940 | 102 | actinide | [Rn] 5f4 6d1 7s2 | RareEarthMetal | |
94 | 244 | Plutonium | Pu | 640 | 3235 | 19.84 | 1940 | 102 | actinide | [Rn] 5f6 7s2 | RareEarthMetal | |
95 | 243 | Americium | Am | 994 | 2607 | 13.67 | 1944 | 102 | actinide | [Rn] 5f7 7s2 | RareEarthMetal | |
96 | 247 | Curium | Cm | 1340 | 13.5 | 1944 | 102 | actinide | RareEarthMetal | |||
97 | 247 | Berkelium | Bk | 986 | 14.78 | 1949 | 102 | actinide | RareEarthMetal | |||
98 | 251 | Californium | Cf | 900 | 15.1 | 1950 | 102 | actinide | RareEarthMetal | |||
99 | 252 | Einsteinium | Es | 860 | 1952 | 102 | actinide | RareEarthMetal | ||||
100 | 257 | Fermium | Fm | 1527 | 1952 | 102 | actinide | RareEarthMetal | ||||
101 | 258 | Mendelevium | Md | 1955 | 102 | actinide | RareEarthMetal | |||||
102 | 259 | Nobelium | No | 827 | 1958 | 102 | actinide | RareEarthMetal | ||||
103 | 262 | Lawrencium | Lr | 1627 | 1961 | 102 | actinide | RareEarthMetal | ||||
104 | 261 | Rutherfordium | Rf | 1964 | 4 | seven | synthetic | |||||
105 | 262 | Dubnium | Db | 1967 | 5 | seven | synthetic | |||||
106 | 266 | Seaborgium | Sg | 1974 | 6 | seven | synthetic | |||||
107 | 264 | Bohrium | Bh | 1981 | 7 | seven | synthetic | |||||
108 | 277 | Hassium | Hs | 1984 | 8 | seven | synthetic | |||||
109 | 268 | Meitnerium | Mt | 1982 | 9 | seven | synthetic |