SOLAR SYSTEM AND ITS VAST ENERGY CRITERIA WHAT IS SOLAR SYSTEM? …… Posted on 05 August at 02:15 by abdulali14 read more
ALLOTROPIC FORMS OF PHOSPHORUS AND THEIR USE IN INDUSTRIES Phosphorus is represented by P. The atomic number is 15 and atomic weight is 30.97.Melting point of phosphorus is 44 and boiling point…… Posted on 25 March at 08:02 by MohsinJanoon read more