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Periodic Table by DiscoveryThe idea of the periodic table of elements was put forward in 1871 by Dmitrij Mendeleev (1834-1907).by Peder Axensten, suggestions and corrections are welcome! |
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by Year |
prehist. | 1250-1749 | 1700-1799 | 1800-1849 | 1850-1899 | 1900-2000 | not yet | |||||||||||||||
| Group: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | 1A | 2A | 3B | 4B | 5B | 6B | 7B | 8B | 1B | 2B | 3A | 4A | 5A | 6A | 7A | 8A | ||||||
| 1 | 1 H 1766 |
2 He 1895 |
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| 2 | 3 Li 1817 |
4 Be 1828 |
5 B 1808 |
6 C prehist. |
7 N 1772 |
8 O 1774 |
9 F 1886 |
10 Ne 1898 |
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| 3 | 11 Na 1807 |
12 Mg 1808 |
13 Al 1825 |
14 Si 1824 |
15 P 1669 |
16 S prehist. |
17 Cl 1774 |
18 Ar 1894 |
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| 4 | 19 K 1807 |
20 Ca 1808 |
21 Sc 1879 |
22 Ti 1791 |
23 V 1801 |
24 Cr 1780 |
25 Mn 1774 |
26 Fe prehist. |
27 Co 1735 |
28 Ni 1751 |
29 Cu prehist. |
30 Zn 1500 |
31 Ga 1875 |
32 Ge 1886 |
33 As 1250 |
34 Se 1817 |
35 Br 1826 |
36 Kr 1898 |
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| 5 | 37 Rb 1861 |
38 Sr 1808 |
39 Y 1794 |
40 Zr 1789 |
41 Nb 1801 |
42 Mo 1781 |
43 Tc 1937 |
44 Ru 1808 |
45 Rh 1803 |
46 Pd 1803 |
47 Ag prehist. |
48 Cd 1817 |
49 In 1863 |
50 Sn prehist. |
51 Sb prehist. |
52 Te 1783 |
53 I 1811 |
54 Xe 1898 |
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| 6 | 55 Cs 1860 |
56 Ba 1808 |
* |
72 Hf 1923 |
73 Ta 1802 |
74 W 1783 |
75 Re 1925 |
76 Os 1803 |
77 Ir 1803 |
78 Pt 1400 |
79 Au prehist. |
80 Hg prehist. |
81 Tl 1861 |
82 Pb prehist. |
83 Bi 1400 |
84 Po 1898 |
85 At 1940 |
86 Rn 1900 |
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| 7 | 87 Fr 1939 |
88 Ra 1898 |
** |
104 Unq 1964 |
105 Unp 1970 |
106 Unh 1974 |
107 Uns 1981 |
108 Uno 1984 |
109 Une 1982 |
110 Uun |
111 Uuu |
112 Uub |
113 Uut |
114 Uuq |
115 Uup |
116 Uuh |
117 Uus |
118 Uuo |
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| *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 1842 |
69 Tm 1879 |
70 Yb 1878 |
71 Lu 1907 |
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| **Actinides: | 89 Ac 1899 |
90 Th 1815 |
91 Pa 1917 |
92 U 1789 |
93 Np 1940 |
94 Pu 1940 |
95 Am 1944 |
96 Cm 1944 |
97 Bk 1949 |
98 Cf 1950 |
99 Es 1952 |
100 Fm 1952 |
101 Md 1955 |
102 No 1958 |
103 Lr 1961 |
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by Place |
Scandinavia | Europe | UK | USA | (other) | (no data) | ||||||||||||||||
| Group: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | ||||
| Period | 1A | 2A | 3B | 4B | 5B | 6B | 7B | 8B | 1B | 2B | 3A | 4A | 5A | 6A | 7A | 8A | ||||||
| 1 | 1 H England |
2 He England, Sweden |
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| 2 | 3 Li Sweden |
4 Be Germany, France |
5 B England, France |
6 C |
7 N Scottland |
8 O Sweden, England |
9 F France |
10 Ne England |
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| 3 | 11 Na England |
12 Mg England |
13 Al Denmark |
14 Si Sweden |
15 P Germany |
16 S |
17 Cl Sweden |
18 Ar England |
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| 4 | 19 K England |
20 Ca England |
21 Sc Sweden |
22 Ti England |
23 V Mexico |
24 Cr France |
25 Mn Sweden |
26 Fe |
27 Co Sweden |
28 Ni Sweden |
29 Cu |
30 Zn |
31 Ga France |
32 Ge Germany |
33 As |
34 Se Sweden |
35 Br Germany, France |
36 Kr England |
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| 5 | 37 Rb Germany |
38 Sr England |
39 Y Finland |
40 Zr Germany |
41 Nb England |
42 Mo Sweden |
43 Tc Italy |
44 Ru Lithuania |
45 Rh England |
46 Pd England |
47 Ag |
48 Cd Germany |
49 In Germany |
50 Sn |
51 Sb |
52 Te Transyl. |
53 I France |
54 Xe England |
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| 6 | 55 Cs Germany |
56 Ba England |
* |
72 Hf Denmark |
73 Ta Sweden |
74 W Spain |
75 Re Germany |
76 Os England |
77 Ir England |
78 Pt |
79 Au |
80 Hg |
81 Tl England |
82 Pb |
83 Bi |
84 Po France |
85 At USA |
86 Rn Germany |
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| 7 | 87 Fr France |
88 Ra France |
** |
104 Unq SSSR |
105 Unp USA, SSSR |
106 Unh USA, SSSR |
107 Uns Germany |
108 Uno Germany |
109 Une Germany |
110 Uun |
111 Uuu |
112 Uub |
113 Uut |
114 Uuq |
115 Uup |
116 Uuh |
117 Uus |
118 Uuo |
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| *Lanthanides: | 57 La Sweden |
58 Ce Sweden |
59 Pr Austria |
60 Nd Austria |
61 Pm USA |
62 Sm France |
63 Eu France |
64 Gd Switz. |
65 Tb Sweden |
66 Dy France |
67 Ho Switz. |
68 Er Sweden |
69 Tm Sweden |
70 Yb Switz. |
71 Lu France, USA |
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| **Actinides: | 89 Ac France |
90 Th Sweden |
91 Pa Germany |
92 U Germany |
93 Np USA |
94 Pu USA |
95 Am USA |
96 Cm USA |
97 Bk USA |
98 Cf USA |
99 Es USA |
100 Fm USA |
101 Md USA |
102 No USA |
103 Lr USA |
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