JD CHEMISTRY CLASSES(By-Dipak Dwivedi)

Chapter 1-Some basic concepts of chemistry (lacture -5) Subtopic -shell, subshell and orbitals

#for English Medium students, some basic concepts of chemistry (lacture -2)

# for English Medium students ,some basic concepts of chemistry (lacture -1)

Some basic concepts of chemistry (Lacture -4,Numericals based on atomic number and atomic mass)

Some basic concepts of chemistry (Lacture -3,परमाणु की विद्युत उदासीनता, परमाणु क्रमांक, परमाणु भार

Some basic concepts of chemistry (Lecture -2,Atom,parts of atom and particles of atom)

General information about some basic concepts of chemistry(lacture -1)