p-block elements

p-block elements

1. nitrogen family

   • general periodic trends
     • electronegativity
     • ionisation enthalpy
     • metallic and non metallic
     • atomic volume and melting point
     • allotropy
     • conductivity
     • oxidation state
   • chemical properties
     • action of oxygen
     • action of oxidizing agent
     • action of alkalies
     • reactivity towards hydrogen
       • tendency to form hydrogen bonding
       • thermal stability of hydrides
   • preparation
     • DINITROGEN
       • AMMONIA
       • NITRIC ACID
     • PHOSPHORUS
       • PHOSPHINE
       • OXOACID OF PHOSPHORUS

2. oxygen family

   • periodic trend
     • density
     • electronegativity
     • ionisation enthalpy
     • melting and boiling point
     • electrogain enthalpy
     • metallic character
     • oxidation number
     • allotropy
   • chemical properties
     • action of oxygen
     • action of acids
     • alkalies
     • action of non-metals
     • metals