D-block 70356 217434571 2008-06-06T00:38:24Z SmackBot 433328 Date the maintenance tags or general fixes {{mergeto|Transition metal|date=June 2008}} {{Otheruses4|a class of chemical elements|the rap group|D-Block}} {{lowercase|d-block}} The '''d-block''' of the [[periodic table|periodic table of the elements]] consists of those [[periodic table group]]s that contain elements in which, in the atomic ground state, the highest-energy electron is in a d-[[atomic orbital|orbital]]. The d-block elements are often also known as ''[[transition metal]]s''. Although [[Lutetium]] and [[Lawrencium]] are in the d-block, they are not considered transition metals but [[lanthanide]] and [[actinide]] according to [[IUPAC]].<ref name=IUPAC>[http://www.iupac.org/reports/provisional/abstract04/connelly_310804.html IUPAC Provisional Recommendations for the Nomenclature of Inorganic Chemistry (2004)] (online draft of an updated version of the "''Red Book''" IR 3-6)</ref> Group 12 elements are also in the d-block but are considered [[post-transition metal]]s<ref>[http://weblearn.ox.ac.uk/site/mathsphys/chem/year3/mt2007/posttrans/resources/lecture%201.pdf "Post Transition Metal Chemistry Lecture 1"] WebLearn - Oxford Campus, Department of Chemistry, public anonymous access, Michaelmas Term 2007, Prof. R.G. Egdell, ''Accessed December 2, 2007''</ref> if their [[Electron configuration|d-subshell]] is completely filled.<ref name="IUPAC" /> <center> {| border="0" cellpadding="0" cellspacing="1" style="width:80%; {{{1|}}}" |+ '''Chemical elements in d-block''' |- ! width="1.0%" | [[Periodic table group|Group]]&nbsp;→ ! width="5.5%" | [[Group 3 element|3]] ! width="5.5%" | [[Group 4 element|4]] ! width="5.5%" | [[Group 5 element|5]] ! width="5.5%" | [[Group 6 element|6]] ! width="5.5%" | [[Group 7 element|7]] ! width="5.5%" | [[Group 8 element|8]] ! width="5.5%" | [[Group 9 element|9]] ! width="5.5%" | [[Group 10 element|10]] ! width="5.5%" | [[Group 11 element|11]] ! width="5.5%" | [[Group 12 element|12]] |- ! ↓&nbsp;[[Periodic table period|Period]] |- ! [[Period 4 element|4]] | {{element cell|21|scandium |Sc|44.955912(6) |Solid|Transition metals|Primordial}} | {{element cell|22|titanium |Ti|47.867(1) |Solid|Transition metals|Primordial}} | {{element cell|23|vanadium |V |50.9415(1) |Solid|Transition metals|Primordial}} | {{element cell|24|chromium |Cr|51.9961(6) |Solid|Transition metals|Primordial}} | {{element cell|25|manganese |Mn|54.938045(5) |Solid|Transition metals|Primordial}} | {{element cell|26|iron |Fe|55.845(2) |Solid|Transition metals|Primordial}} | {{element cell|27|cobalt |Co|58.933195(5) |Solid|Transition metals|Primordial}} | {{element cell|28|nickel |Ni|58.6934(2) |Solid|Transition metals|Primordial}} | {{element cell|29|copper |Cu|63.546(3) |Solid|Transition metals|Primordial}} | {{element cell|30|zinc |Zn|65.39(2) |Solid|Transition metals|Primordial}} |- ! [[Period 5 element|5]] | {{element cell|39|yttrium |Y |88.90585(2) |Solid|Transition metals|Primordial}} | {{element cell|40|zirconium |Zr|91.224(2) |Solid|Transition metals|Primordial}} | {{element cell|41|niobium |Nb|92.90638(2) |Solid|Transition metals|Primordial}} | {{element cell|42|molybdenum|Mo|95.94(1) |Solid|Transition metals|Primordial}} | {{element cell|43|technetium|Tc|[97.9072] |Solid|Transition metals|Natural radio}} | {{element cell|44|ruthenium |Ru|101.07(2) |Solid|Transition metals|Primordial}} | {{element cell|45|rhodium |Rh|102.90550(2) |Solid|Transition metals|Primordial}} | {{element cell|46|palladium |Pd|106.42(1) |Solid|Transition metals|Primordial}} | {{element cell|47|silver |Ag|107.8682(2) |Solid|Transition metals|Primordial}} | {{element cell|48|cadmium |Cd|112.411(8) |Solid|Transition metals|Primordial}} |- ! [[Period 6 element|6]] | {{element cell|71|lutetium |Lu|174.967(1) |Solid|Lanthanides|Primordial}} | {{element cell|72|hafnium |Hf|178.49(2) |Solid|Transition metals|Primordial}} | {{element cell|73|tantalum |Ta|180.94788(2) |Solid|Transition metals|Primordial}} | {{element cell|74|tungsten |W |183.84(1) |Solid|Transition metals|Primordial}} | {{element cell|75|rhenium |Re|186.207(1) |Solid|Transition metals|Primordial}} | {{element cell|76|osmium |Os|190.23(3) |Solid|Transition metals|Primordial}} | {{element cell|77|iridium |Ir|192.217(3) |Solid|Transition metals|Primordial}} | {{element cell|78|platinum |Pt|195.084(9) |Solid|Transition metals|Primordial}} | {{element cell|79|gold |Au|196.966569(4) |Solid|Transition metals|Primordial}} | {{element cell|80|mercury |Hg|200.59(2) |Liquid|Transition metals|Primordial|mercury (element)}} |- ! [[Period 7 element|7]] | {{element cell|103|lawrencium |Lr|[262.110] |Solid|Actinides|Synthetic}} | {{element cell|104|rutherfordium|Rf|[263.1125] |Solid|Transition metals|Synthetic}} | {{element cell|105|dubnium |Db|[262.1144] |Solid|Transition metals|Synthetic}} | {{element cell|106|seaborgium |Sg|[266.1219] |Solid|Transition metals|Synthetic}} | {{element cell|107|bohrium |Bh|[264.1247] |Solid|Transition metals|Synthetic}} | {{element cell|108|hassium |Hs|[269.1341] |Solid|Transition metals|Synthetic}} | {{element cell|109|meitnerium |Mt|[268.1388] |Solid|Transition metals|Synthetic}} | {{element cell|110|darmstadtium |Ds|[272.1463] |Solid|Transition metals|Synthetic}} | {{element cell|111|roentgenium |Rg|[272.1535] |Solid|Transition metals|Synthetic}} | {{element cell|112|ununbium |Uub|[277] |Liquid|Transition metals|Synthetic}} |} </center> ==See also== * [[Electron configuration]] ==References== {{reflist}} {{PeriodicTablesFooter}} [[Category:Periodic table]] [[Category:Chemical element groups]] [[ar:عناصر مستوى فرعي d]] [[ast:Elementos del bloque d]] [[bn:ডি-ব্লক মৌল]] [[bs:Elementi d-bloka]] [[ca:Elements del bloc d]] [[es:Elementos del bloque d]] [[eu:D bloke]] [[fr:Éléments du bloc d]] [[ko:D-구역]] [[hr:D-blok]] [[is:D-blokk]] [[lmo:Blòcch d]] [[nl:D-blok]] [[ja:Dブロック元素]] [[nn:D-blokk]] [[pl:Blok d]] [[sk:Blok d]] [[sv:D-blocket]] [[th:บล็อก-d]] [[vi:Khối d]] [[zh:D区元素]]