Periodic Table of the Elements
 IA IIA IIIA IVA VA VIA VIIA VIIIA
   H  He
Li Be    B C N O F Ne
Na Mg IIIB IVB VB VI VIIB VIIIB IB IIB  Al Si P S Cl Ar
K Ca   Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
 Rb Sr                  Ag  Cd   Sn Sb   I  Xe
 Cs  Ba        W        Pt Au  Hg    Pb Bi      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 mole = the number of carbon atoms in 12 g of 12C. This number, called Avogadro's Number, has been measured as 6.022 x 1023 mol-1

 

 

© R A Paselk

Last modified 4 February 2015