Periodic Table
Histological Application of Elements

  s series
Representative
Elements		 d series
Transition Metals		 p series
Representative
Elements		 Noble
Gases
Group Ia IIa IIIb IVb Vb VIb VIIb VIII Ib IIb IIIa IVa Va VIa VIIa VIIIa
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Period 1 H   He
Period 2 Li Be   B C N O F Ne
Period 3 Na Mg   Al Si P S Cl Ar
Period 4 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Period 5 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Period 6 Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Ti Pb Bi Po At Rn
Period 7 Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Uub Uut Uuq Uup Uuh Uus Uuo
  f series Transition Metals  
Period 6   Lanthanides Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu  
Period 7   Actinides Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr  
Element Uranium Symbol U Atomic Nº 92 Atomic weight 238.028913
Oxidation Nº 2, 3, 4, 5, 6 State (RT) Solid Electronegativity 1.7 Shell 2,8,18,32,21,9,2
Structure Rn5f36d17s2 MP °C 1132 BP °C 3818 SG 18.95
Nº Isotopes 3 Isotope 238 Isotope AMU 238.050783 Abundance 99.2745
Discoverer Peligot 1841  
Uranium salts have been specified for some fixatives and silver impregnations, particularly for spirochaetes, where it inhibits staining of background tissues. Although made from depleted uranium, it is sometimes difficult to obtain.
Alkali metals Alkali earth metals Transition metals Lanthanides Actinides Poor metals Metalloids Non metals Halogens Noble gases

 

Reference
Much of the data for this page was extracted, with permission, from TheMeter Periodic Table
Alessandri, Stefano
Periodic Table of the Elements
TheMeter Internet web site.

Uno Kask
Chemistry: Structure and Changes of Matter
Barnes and Noble Inc., New York, NY., U.S.A.

And the following Periodic tables on the internet:
Apsidium
Element Database
The Periodic Table of Elements on the Internet
Wikipedia under "Periodic Table" and individual elements
Webelements
KTF Periodic Table of the Elements
Dreamweaver Periodic Table

 


 
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Last updated May 2005.

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