Periodic Table Of The Elements - Date And Country Of Discovery

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V. PERIODIC TABLE OF THE ELEMENTS - Date and Country of Discovery
s
d
p
1
18
1A
8A
before 1700
1900 - 1949
1
2
13
14
15
16
17
2
1700 - 1799
1950 - 1999
H
He
1800 - 1849
2000 - present
2A
3A
4A
5A
6A
7A
1766 UK
1895 UK
1850 - 1899
3
4
5
6
7
8
9
10
Li
Be
B
C
N
O
F
Ne
1817 SE 1798 FR
1808
1 ancient
1772 UK 1774
2 1886 FR 1898 UK
11
12
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Na
Mg
Al
Si
P
S
Cl
Ar
3B
4B
5B
6B
7B
8B
8B
8B
1B
2B
1807 UK 1755 UK
1825 DK 1824 SE 1869 DE ancient
1774 SE 1894 UK
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
1807 UK 1808 UK 1879 SE 1791 UK 1801 3 1797 FR 1774 SE ancient
1735 SE 1751 SE ancient
1746 DE 1875 FR 1886 DE
ancient
1817 SE 1826 FR 1898 UK
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
1861 DE 1790 UK 1794 FI 1789 DE 1801 UK 1781 SE 1937 IT 1844 RU 1803 UK 1803 UK ancient
1817 DE 1863 DE ancient
ancient
1783 RO 1811 FR 1898 UK
55
56
57
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
Cs
Ba
La
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
1860 DE 1808 UK 1839 SE 1923 DK 1802 SE
1783 ES 1925 DE 1803 UK 1803 1
1735 CO ancient
ancient
1861 UK ancient
ancient
1898 FR 1949 US 1900 DE
87
88
89
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
Fr
Ra
Ac
Rf
Db
Sg
Bh
Hs
Mt
Ds
Rg
Cn
Nh
Fr
Mc
Lv
Tg
Og
1939 FR 1898 FR 1899 FR 1964
6 1967 6
1974 US 1981 DE 1984 US 1982 DE 1994 DE 1994 DE 1996 DE 2003 RU 1998 RU 2003 RU 2000 RU 2010 6
2006 6
f
58
59
60
61
62
63
64
65
66
67
68
69
70
71
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
1803 SE 1885 AT 1885 AT 1945 US
1879 FR 1901 FR 1880 CH 1843 SE 1886 FR 1878 CH 1842 SE 1879 SE 1878 CH 1907 FR
90
91
92
93
94
95
96
97
98
99
100
101
102
103
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
1829 SE 1913 4 1789 DE 1940 US 1940 US 1944 US 1944 US 1949 US 1950 US 1952 US 1952 US 1955 US 1961 5
1961 US
2 - UK, SE 3 - MX,SE 4 - DE,UK 5 - SE,US 6 - RU,US
key: 1 - UK, FR

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