تاريخچهي كشف عناصر جدول تناوبي
18 اسفند 1385, 13:27 - تعداد مشاهده:
1994
| 1 | 18 | ||||||||||||||||
| 1 H 1766 | 2 | قبل از 1800 | 1800 1849 | 1850 1899 | 1900 1949 | 1950 2005 | 13 | 14 | 15 | 16 | 17 | 2 He 1868 | |||||
| 3 Li 1817 | 4 Be 1798 | تاريخچهي كشف عناصر جدول تناوبي | 5 B 1808 | 6 C --- | 7 N 1772 | 8 O 1774 | 9 F 1886 | 10 Ne 1898 | |||||||||
| 11 Na 1807 | 12 Mg 1775 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 Al 1827 | 14 Si 1824 | 15 P 669 | 16 S --- | 17 Cl 1774 | 18 Ar 1894 |
| 19 K 1807 | 20 Ca 1808 | 21 Sc 1879 | 22 Ti 1791 | 23 V 1801 | 24 Cr 1797 | 25 Mn 1774 | 26 Fe --- | 27 Co 1735 | 28 Ni 1751 | 29 Cu --- | 30 Zn 1746 | 31 Ga 1875 | 32 Ge 1886 | 33 As --- | 34 Se 1817 | 35 Br 1826 | 36 Kr 1898 |
| 37 Rb 1861 | 38 Sr 1808 | 39 Y 1794 | 40 Zr 1789 | 41 Nb 1801 | 42 Mo 1778 | 43 Tc 1937 | 44 Ru 1844 | 45 Rh 1803 | 46 Pd 1803 | 47 Ag --- | 48 Cd 1817 | 49 In 1863 | 50 Sn --- | 51 Sb --- | 52 Te 1782 | 53 I 1811 | 54 Xe 1898 |
| 55 Cs 1860 | 56 Ba 1808 | 57-71 | 72 Hf 1923 | 73 Ta 1802 | 74 W 1783 | 75 Re 1925 | 76 Os 1803 | 77 Ir 1803 | 78 Pt 1735 | 79 Au --- | 80 Hg --- | 81 Tl 1861 | 82 Pb --- | 83 Bi --- | 84 Po 1898 | 85 At 1940 | 86 Rn 1900 |
| 87 Fr 1939 | 88 Ra 1898 | 89-103 | 104 Rf 1964 | 105 Db 1967 | 106 Sg 1974 | 107 Bh 1981 | 108 Hs 1984 | 109 Mt 1982 | 110 Ds 1994 | 111 Rg 1994 | 112 Uub 1996 | 113 Uut --- | 114 Uuq 1999 | 115 Uup --- | 116 Uuh 1999 | 117 Uub --- | 118 Uub --- |
| Lanthanides | 57 La 1839 | 58 Ce 1803 | 59 Pr 1885 | 60 Nd 1885 | 61 Pm 1945 | 62 Sm 1879 | 63 Eu 1901 | 64 Gd 1880 | 65 Tb 1843 | 66 Dy 1886 | 67 Ho 1878 | 68 Er 1843 | 69 Tm 1879 | 70 Yb 1878 | 71 Lu 1907 | ||
| Actinides | 89 Ac 1899 | 90 Th 1828 | 91 Pa 1917 | 92 U 1841 | 93 Np 1940 | 94 Pu 1940 | 95 Am 1944 | 96 Cm 1944 | 97 Bk 1949 | 98 Cf 1950 | 99 Es 1852 | 100 Fm 1953 | 101 Md 1955 | 102 No 1957 | 103 Lr 1961 | ||