Periodic Table: Year Discovered

1
IA
2
IIA
3
IIIB
4
IVB
5
VB
6
VIB
7
VIB
8
VIIIB
9
VIIIB
10
VIIIB
11
IB
12
IIB
13
IIIA
14
IVA
15
VA
16
VIA
17
VIIA
18
VIIIA
1
1
H
1766
2
He
1868
2
3
Li
1817
4
Be
1798
5
B
1808
6
C
BC
7
N
1772
8
O
1772
9
F
1886
10
Ne
1898
3
11
Na
1807
12
Mg
1808
13
Al
1825
14
Si
1824
15
P
1669
16
S
1669
17
Cl
1774
18
Ar
1894
4
19
K
1807
20
Ca
1808
21
Sc
1879
22
Ti
1791
23
V
1801
24
Cr
1797
25
Mn
1774
26
Fe
4000 BC
27
Co
1739
28
Ni
1751
29
Cu
9000 BC
30
Zn
1746
31
Ga
1875
32
Ge
1886
33
As
1250
34
Se
1818
35
Br
1826
36
Kr
1898
5
37
Rb
1861
38
Sr
1790
39
Y
1789
40
Zr
1789
41
Nb
1801
42
Mo
1778
43
Tc
1937
44
Ru
1844
45
Rh
1803
46
Pd
1803
47
Ag
4000 BC
48
Cd
1817
49
In
1863
50
Sn
3500 BC
51
Sb
1000 BC
52
Te
1782
53
I
1811
54
Xe
1898
6
55
Cs
1860
56
Ba
1808
57
La
1839
72
Hf
1923
73
Ta
1802
74
W
1783
75
Re
1925
76
Os
1803
77
Ir
1803
78
Pt
1741
79
Au
2600 BC
80
Hg
1600 BC
81
Tl
1861
82
Pb
BC
83
Bi
1753
84
Po
1898
85
At
1940
86
Rn
1900
7
87
Fr
1939
88
Ra
1898
89
Ac
1899
104
Rf
1969
105
Ha
1970
106
Sg
1974
107
Ns
1981
108
Hs
1984
109
Mt
1982
110
Uun
1994
111
Uuu
1994
112
Uub
1996
113
Uut
114
Uuq
1998
115
Uup
116
Uuh
1999
117
Uus
118
Uuo
1999
6 Lanthanide
Series
58
Ce
1803
59
Pr
1885
60
Nd
1885
61
Pm
1947
62
Sm
1879
63
Eu
1901
64
Gd
1886
65
Tb
1843
66
Dy
1886
67
Ho
1879
68
Er
1843
69
Tm
1879
70
Yb
1878
71
Lu
1907
7 Actinide
Series
90
Th
1828
91
Pa
1913
92
U
1789
93
Np
1940
94
Pu
1940
95
Am
1945
96
Cm
1944
97
Bk
1949
98
Cf
1950
99
Es
1952
100
Fm
1952
101
Md
1955
102
No
1958
103
Lr
1961

Alkaline Earth MetalMetalloidNon-metalNoble Gas
Alkaline MetalTransition MetalOther MetalHalogenRare Earth