Hi ! Studying late night...
01:58 am

Sponsor Area

Sponsor Area

Question is

Mass of an element can be obtained by adding

  • number of electrons and neutrons

  • number of protons and neutrons

  • number of electrons and protons

     

  • number of electrons, protons and neutrons.

Mock Test Series

Sponsor Area

Sponsor Area

NCERT Book Store

NCERT Sample Papers

Entrance Exams Preparation