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 Potassium Symbol K Atomic Nº 19 Atomic weight 39.09831
Oxidation Nº 1 State (RT) Solid Electronegativity 0.8 Shell 2,8,8,1
Structure Ar4s1' MP °C 63.65 BP °C 774 SG 0.862
Nº Isotopes 3 Isotope 39 Isotope AMU 38.963707 Abundance 93.2581
Discoverer Davy 1807  
Potassium salts are commonly used in histology and may often be substituted for sodium salts, although it is not always possible. Potassium itself is not demonstrable histologically.
Alkali metals Alkali earth metals Transition metals Lanthanides Actinides Poor metals Metalloids Non metals Halogens Noble gases

 

Reference
Much of the data for each element 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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