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METALs Invention Timeline Metallic Elements, Discoveries, Processes

ELEMENTs
year
.
ELEMENTs
year
.
PROCESSEs
year
EARLY
BCE
.
LATER
CE
.
Metallurgy
BCE
Copper
4000
.
.
1820
.
Copper
2000
Gold
3000
.
Silicon
23
.
Bronze
1000
Iron
2000
.
Aluminum
27
.
Pewter
600
Bronze
1400
.
Thorium
28
.
Iron
1500
Brass
600
.
Vanadium
30
.
Steel
1200
Tin
?
.
Lanthanum
39
.
Crucible steel
200
Silver
500
.
Erbium
43
.
.
AD
Lead
500
.
Terbium
43
.
Tin glazing
700
Zinc
200
.
Ruthenium
44
.
lead(II) oxide
900
.
.
.
.
1850
.
red lead
900
.
CE
.
Cesium
60
.
tin(II) oxide
900
Steel
500
.
Rubidium
60
.
copper acetate
900
.
1700
.
Thallium
61
.
copper(II) oxide
900
Mercury
00
.
Indium
63
.
lead sulfide
900
Cobalt
35
.
Gallium
75
.
zinc oxide
900
Nickel
51
.
Holmium
75
.
Damascus steel
1000
Manganese
74
.
Thulium
78
.
type metal alloy
1448
Molybdenum
81
.
Ytterbium
78
.
Calamine Zinc
1738
Tellurium
82
.
Scandium
79
.
crucible steel
1740
Tungsten
83
.
Samarium
81
.
copper/zinc acid battery
1799
Platinum
89
.
Gadolinium
82
.
.
.
Uranium
89
.
Praseodymium
83
.
.
1800
Zirconium
89
.
Neodymium
84
.
metallic aluminium
25
Titanium
91
.
Dysprosium
85
.
silver based photo
39
Yttrium
94
.
Germanium
86
.
Bessemer steel
55
Beryllium
97
.
Polonium
98
.
selenium solar cell
83
Chromium
97
.
Radium
98
.
.
.
.
1800
.
Actinium
99
.
.
1900
Niobium
01
.
.
1900
.
Aluminum Foil
10
Tantalum
02
.
Protoactinium
18
.
Stainless steel
12
Iridium
03
.
Neptunium
40
.
germanium transistor
47
Palladium
03
.
Plutonium
41
.
AOD refining
54
Rhodium
03
.
Americium
44
.
duplex stainless
80
Osmium
04
.
Curium
44
.
.
.
Potassium
07
.
Berkelium
49
.
.
.
Sodium
07
.
Californium
50
.
.
.
Boron
08
.
Einsteinium
52
.
.
.
Barium
08
.
Fermium
52
.
.
.
Calcium
08
.
Mendelevium
55
.
.
.
Magnesium
08
.
Nobelium
57
.
.
.
Strontium
08
.
Lawrencium
61
.
.
.
Chromium

08

.
Rutherfordium
64
.
.
.
Cerium
14
.
Dubnium
67
.
.
.
Lithium
17
.
Seaborgium
74
.
.
.
Cadmium
17
.
Bohrium
75
.
.
.
Selenium
17
.
Meitnerium
82
.
.
.
.
.
.
Hassium
84
.
.
.
.
.
.
Ununnilium
94
.
.
.
.
.
.
Unuminium
94
.
.
.
.
.
.
Unubium
96
.
.
.
.
.
.
.
.
.
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ELEMENTs
year
.
ELEMENTs
year
.
PROCESSEs
year
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