I want the symbol,number of protons,number of neutrons,number of electrons,distribution of electrons and valency of the first 30 elements 

Asked by sunipa1971 | 29th May, 2017, 10:36: AM

Expert Answer:

 
 The symbol, number of protons, number of neutrons, number of electrons, distribution of electrons and valency of the first 30 elements:
 
 
 
 
 

Answered by Prachi Sawant | 29th May, 2017, 05:47: PM