Some Importent Points: * Metalloids- B,Si,Ge,As,Sb,Te,Po&At. * - TopicsExpress



          

Some Importent Points: * Metalloids- B,Si,Ge,As,Sb,Te,Po&At. * Liquid non-metal- Br. * Semi-Conductor- Ge. * Most ductile metal- Pt. * Normal elements:The elements of sub-group A are called normal elements. *Typical elements:The elements of perioda 2 and 3 are called typical elements or Bridged elements. These are: 2nd Period- Li,Be,B,C,N,O,F. 3rd Period- Na,Mg,Al,Si,P,S,Cl. * The group containing maximum no. of gaseous elements- Group zero(18). * Hardest substance- Diamond. * Oldest known inert gas- Ar..
Posted on: Sun, 15 Sep 2013 16:58:29 +0000

Trending Topics



Recently Viewed Topics




© 2015