Electron Configuration | SSC Chemistry Chapter 3 | Rutherford and Bohr model | Fahad Sir

Describe the development of the concept of atom. the characteristics of fundamental and stable particles, atomic number, mass number, relative atomic mass number, calculate the relative molecular mass from the relative atomic mass, the number of electron, neutron and proton of an atom, the uses of isotope, the Rutherford and Bhor atomic models, which of the atomic model is more acceptable ,arrange electrons of atoms in orbits and in different sub levels of orbits. Stay connected with our Facebook page and Facebook group 1.   / amaderschoolofficial   (ফেসবুক পেইজ ) 2.   / ovinob   (ফেসবুক গ্রুপ)