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Group   Period 4 Period 5 Period 6 Period 7
3 (III B)   Sc 21 Y 39 Lu 71 Lr 103
4 (IV B)   Ti 22 Zr 40 Hf 72 Rf 104
5 (V B)   V 23 Nb 41 Ta 73 DbDubnium is a chemical element in the periodic table that has the symbol Db and atomic number 105. This is a highly radioactive synthetic element whose most stable isotope has a half life of 16 hours (dubnium-268). This relatively high stability compared t 105
6 (VI B)   Crvanadium chromium manganese Cr Mo Full table General Name, Symbol, Numberchromium, Cr, 24 Chemical series transition metals Group, Period, Block 6 (VIB), 4, d Appearance silvery metallic Atomic properties Atomic weight 51. 9961 amu Atomic radius (calc. 24 MoMolybdenum is a chemical element in the periodic table that has the symbol Mo and atomic number 42. Notable characteristics Molybdenum is a transition metal. The pure metal is silvery white in color and very hard, and has one of the highest melting points 42 WThis article is about the chemical element. Tungsten may also refer to the Tungsten Handheld PDA. Tungsten (formerly Wolfram is a chemical element in the periodic table that has the symbol W ( L. Wolframium and atomic number 74. A very hard, heavy, steel- 74 Sgdubnium seaborgium bohrium W Sg Full table Known properties Name, Symbol, Numberseaborgium, Sg, 106 Chemical series Transition metals Group, Period, Block 6, 7 , d Appearanceunknown; probably metallic, silvery white or gray Atomic weight 1 E-25 kg|[266] a 106
7 (VII B)   Mnchromium manganese iron Mn Tc Full table General Name, Symbol, Numbermanganese, Mn, 25 Chemical series transition metals Group, Period, Block 7, 4 , d Density, Hardness 7470 kg/m3, 6. 0 Appearance silvery metallic Atomic properties Atomic weight 54. 93804 25 TcTechnetium [Gr. technetos artificial] is a chemical element in the periodic table that has the symbol Tc and atomic number 43. A silvery gray, radioactive, crystalline transition metal that is very rarely found in nature, technetium occurs as one of the f 43 ReTungsten Rhenium Osmium Tc Re Bh Full table General Name, Symbol, NumberRhenium, Re, 75 Chemical series transition metals Group, Period, Block 7 (VIIB), 6 , d Density, Hardness 21020 kg/m3, 7 Appearance grayish white Atomic properties Atomic weight 186. 75 Bh 107
8 (VIII B)   Fe 26 Ru 44 Os 76 Hs 108
9 (VIII B)   Co 27 Rh 45 Ir 77 Mt 109
10 (VIII B)   Ni 28 Pd 46 Pt 78 Ds 110
11 (I B)   Cu 29 Ag 47 Au 79 Rg 111  
12 (II B)   Zn 30 Cd 48 Hg 80 Uub 112

A transition metal is found amongst any of the forty chemical elements 21 to 30, 39 to 48, 71 to 80, and to 103 to 112. This name comes from their position in the periodic table of elements, which represent the successive addition of electrons to the d atomic orbitals of the atoms as one progresses through each of the three periods. Transition elements are chemically defined as elements which form at least one ion with a partially filled subshell of d electrons. By contrast, an inner transition element is applied to electrons in the f block.





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