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Transition Metals


KEY ELEMENT CLASSIFICATION
Chemical Element Symbol Key
4
21
44.95591
Name: Scandium
Symbol: Sc
Atomic Weight: 44.95591
Atomic Number: 21
Element Classification: Transition Metal
Discovered By: Lars Nilson
Discovery Date: 1879 (Sweden)
Name Origin: Latin: Scandia, Scandinavia.
4
22
47.88
Name: Titanium
Symbol: Ti
Atomic Weight: 47.88
Atomic Number: 22
Element Classification: Transition Metal
Discovered By: William Gregor
Discovery Date: 1791 (England)
Name Origin: Greek: titanos (Titans).
4
23
50.9415
Name: Vanadium
Symbol: V
Atomic Weight: 50.9415
Atomic Number: 23
Element Classification: Transition Metal
Discovered By: Nils Gabriel Sefstrom
Discovery Date: 1830 (Sweden)
Name Origin: The scandinavian goddess, Vanadis.
4
24
51.9961
Name: Chromium
Symbol: Cr
Atomic Weight: 51.9961
Atomic Number: 24
Element Classification: Transition Metal
Discovered By: Louis Vauquelin
Discovery Date: 1797 (France)
Name Origin: Greek: chroma (color).
4
25
54.93805
Name: Manganese
Symbol: Mn
Atomic Weight: 54.93805
Atomic Number: 25
Element Classification: Transition Metal
Discovered By: Johann Gahn
Discovery Date: 1774 (Sweden)
Name Origin: Latin: magnes (magnet), Italian: manganese.
4
26
55.847
Name: Iron
Symbol: Fe
Atomic Weight: 55.847
Atomic Number: 26
Element Classification: Transition Metal
Discovered By: Known to the ancients.
Discovery Date: n/a (Unknown)
Name Origin: Anglo-Saxon: iron; symbol from Latin: ferrum (iron).
4
27
58.9332
Name: Cobalt
Symbol: Co
Atomic Weight: 58.9332
Atomic Number: 27
Element Classification: Transition Metal
Discovered By: George Brandt
Discovery Date: 1739 (Sweden)
Name Origin: German: kobold (goblin).
4
28
58.6934
Name: Nickel
Symbol: Ni
Atomic Weight: 58.6934
Atomic Number: 28
Element Classification: Transition Metal
Discovered By: Axel Cronstedt
Discovery Date: 1751 (Sweden)
Name Origin: German: kupfernickel (devil's copper).
4
29
63.546
Name: Copper
Symbol: Cu
Atomic Weight: 63.546
Atomic Number: 29
Element Classification: Transition Metal
Discovered By: Known to the ancients.
Discovery Date: n/a (Unknown)
Name Origin: Symbol from Latin: cuprum (island of Cyprus famed for its copper mines).
4
30
65.39
Name: Zinc
Symbol: Zn
Atomic Weight: 65.39
Atomic Number: 30
Element Classification: Transition Metal
Discovered By: Known to the ancients.
Discovery Date: n/a (Germany)
Name Origin: German: zink (German for tin).
5
39
88.90585
Name: Yttrium
Symbol: Y
Atomic Weight: 88.90585
Atomic Number: 39
Element Classification: Transition Metal
Discovered By: Johann Gadolin
Discovery Date: 1789 (Finland)
Name Origin: The Swedish village, Ytterby, where one of its minerals was first found.
5
40
91.224
Name: Zirconium
Symbol: Zr
Atomic Weight: 91.224
Atomic Number: 40
Element Classification: Transition Metal
Discovered By: Martin Klaproth
Discovery Date: 1789 (Germany)
Name Origin: The mineral, zircon.
5
41
92.90638
Name: Niobium
Symbol: Nb
Atomic Weight: 92.90638
Atomic Number: 41
Element Classification: Transition Metal
Discovered By: Charles Hatchet
Discovery Date: 1801 (England)
Name Origin: Niobe; daughter of the mythical Greek king Tantalus.
5
42
95.94
Name: Molybdenum
Symbol: Mo
Atomic Weight: 95.94
Atomic Number: 42
Element Classification: Transition Metal
Discovered By: Carl Wilhelm Scheele
Discovery Date: 1778 (Sweden)
Name Origin: Greek: molybdos (lead).
5
43
97.9072
Name: Technetium
Symbol: Tc
Atomic Weight: 97.9072
Atomic Number: 43
Element Classification: Transition Metal
Discovered By: Carlo Perrier, Emilio Segre
Discovery Date: 1937 (Italy)
Name Origin: Greek: technetos (artificial).
5
44
101.07
Name: Ruthenium
Symbol: Ru
Atomic Weight: 101.07
Atomic Number: 44
Element Classification: Transition Metal
Discovered By: Karl Klaus
Discovery Date: 1844 (Russia)
Name Origin: Latin: Ruthenia (Russia).
5
45
102.9055
Name: Rhodium
Symbol: Rh
Atomic Weight: 102.9055
Atomic Number: 45
Element Classification: Transition Metal
Discovered By: William Wollaston
Discovery Date: 1803 (England)
Name Origin: Greek: rhodon (rose). Its salts give a rosy solution.
5
46
106.42
Name: Palladium
Symbol: Pd
Atomic Weight: 106.42
Atomic Number: 46
Element Classification: Transition Metal
Discovered By: William Wollaston
Discovery Date: 1803 (England)
Name Origin: Named after the asteroid, Pallas, discovered in 1803.
5
47
107.8682
Name: Silver
Symbol: Ag
Atomic Weight: 107.8682
Atomic Number: 47
Element Classification: Transition Metal
Discovered By: Known to the ancients.
Discovery Date: n/a (Unknown)
Name Origin: Anglo-Saxon: siolful, (silver), symbol from Latin: argentium.
5
48
112.411
Name: Cadmium
Symbol: Cd
Atomic Weight: 112.411
Atomic Number: 48
Element Classification: Transition Metal
Discovered By: Fredrich Stromeyer
Discovery Date: 1817 (Germany)
Name Origin: Greek: kadmeia (ancient name for calamine (zinc oxide)).
6
72
178.49
Name: Hafnium
Symbol: Hf
Atomic Weight: 178.49
Atomic Number: 72
Element Classification: Transition Metal
Discovered By: Dirk Coster, Georg von Hevesy
Discovery Date: 1923 (Denmark)
Name Origin: Hafnia, the Latin name of Copenhagen.
6
73
180.9479
Name: Tantalum
Symbol: Ta
Atomic Weight: 180.9479
Atomic Number: 73
Element Classification: Transition Metal
Discovered By: Anders Ekeberg
Discovery Date: 1802 (Sweden)
Name Origin: King Tantalus of Greek mythology, father of Niobe.
6
74
183.84
Name: Tungsten
Symbol: W
Atomic Weight: 183.84
Atomic Number: 74
Element Classification: Transition Metal
Discovered By: Juan Jose, Fausto Elhuyar
Discovery Date: 1783 (Spain)
Name Origin: Swedish: tung sten (heavy stone): symbol from its German name wolfram.
6
75
186.207
Name: Rhenium
Symbol: Re
Atomic Weight: 186.207
Atomic Number: 75
Element Classification: Transition Metal
Discovered By: Walter Noddack, Ida Tacke, Otto Berg
Discovery Date: 1925 (Germany)
Name Origin: Latin: Rhenus, the Rhine River.
6
76
190.23
Name: Osmium
Symbol: Os
Atomic Weight: 190.23
Atomic Number: 76
Element Classification: Transition Metal
Discovered By: Smithson Tenant
Discovery Date: 1804 (England)
Name Origin: Greek: osme (odor).
6
77
192.22
Name: Iridium
Symbol: Ir
Atomic Weight: 192.22
Atomic Number: 77
Element Classification: Transition Metal
Discovered By: S.Tenant, A.F.Fourcory, L.N.Vauquelin, H.V.Collet-Descoltils
Discovery Date: 1804 (England/France)
Name Origin: Latin: iris (rainbow).
6
78
195.08
Name: Platinum
Symbol: Pt
Atomic Weight: 195.08
Atomic Number: 78
Element Classification: Transition Metal
Discovered By: Julius Scaliger
Discovery Date: 1735 (Italy)
Name Origin: Spanish: platina (little silver).
6
79
196.96654
Name: Gold
Symbol: Au
Atomic Weight: 196.96654
Atomic Number: 79
Element Classification: Transition Metal
Discovered By: Known to the ancients.
Discovery Date: n/a (Unknown)
Name Origin: Anglo-Saxon: geolo (yellow), symbol from Latin: aurum (shining dawn).
6
80
200.59
Name: Mercury
Symbol: Hg
Atomic Weight: 200.59
Atomic Number: 80
Element Classification: Transition Metal
Discovered By: Known to the ancients.
Discovery Date: n/a (Unknown)
Name Origin: The Roman god Mercury; symbol from Latin: hydrargyrus (liquid silver).
7
104
Name: Rutherfordium
Symbol: Rf
Atomic Weight: [261]
Atomic Number: 104
Element Classification: Transition Metal
Discovered By: A. Ghiorso, et al
Discovery Date: 1969 (United States)
Name Origin: Named in honor of Ernest Rutherford
7
105
[262]
Name: Dubnium
Symbol: Db
Atomic Weight: [262]
Atomic Number: 105
Element Classification: Transition Metal
Discovered By: G.N. Flerov (Dubna/USSR), A. Ghiorso, et al (Berkeley)
Discovery Date: 1967 (USSR), 1970 (United States)
Name Origin: Joint Institue for Nuclear Research at Dubna
7
106
[266]
Name: Seaborgium
Symbol: Sg
Atomic Weight: [266]
Atomic Number: 106
Element Classification: Transition Metal
Discovered By: Soviet Nuclear Research/ U. of Cal at Berkeley
Discovery Date: 1974 (USSR/United States)
Name Origin: Named in honor of Glenn Seaborg, American physical chemist known for research on transuranium elements.
7
107
[264]
Name: Bohrium
Symbol: Bh
Atomic Weight: [264]
Atomic Number: 107
Element Classification: Transition Metal
Discovered By: Heavy Ion Research Laboratory (HIRL)
Discovery Date: 1976 (Germany)
Name Origin: Named in honor of Niels Bohr
7
108
[269]
Name: Hassium
Symbol: Hs
Atomic Weight: [269]
Atomic Number: 108
Element Classification: Transition Metal
Discovered By: Heavy Ion Research Laboratory (HIRL)
Discovery Date: 1984 (Germany)
Name Origin: German state of Hesse (hass in Latin), where the scientists working at the Institute for Heavy Ion Research at Darmstadt first produced this element.
7
109
[268]
Name: Meitnerium
Symbol: Mt
Atomic Weight: [268]
Atomic Number: 109
Element Classification: Transition Metal
Discovered By: Heavy Ion Research Laboratory (HIRL)
Discovery Date: 1982 (Germany)
Name Origin: Named in honor of Lise Meitner
7
110
Name: Darmstadtium
Symbol: Ds
Atomic Weight: [269]
Atomic Number: 110
Element Classification: Transition Metal
Discovered By: Heavy Ion Research Laboratory (HIRL)
Discovery Date: 1994 (Germany)
Name Origin: Darmstadt (place of first discovery)
7
111
Name: Roentgenium
Symbol: Rg
Atomic Weight: [272]
Atomic Number: 111
Element Classification: Transition Metal
Discovered By: Heavy Ion Research Laboratory (HIRL)
Discovery Date: 1994 (Germany)
Name Origin: Named in honor of Wilhelm Conrad Roentgen, discoverer X-rays
7
112
Name: Copernicium
Symbol: Cn
Atomic Weight: [277]
Atomic Number: 112
Element Classification: Transition Metal
Discovered By: Heavy Ion Research Laboratory (HIRL)
Discovery Date: 1996 (Germany)
Name Origin: Named after the astronomer Nicolaus Copernicus


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