Nucleus – Nucleus contains protons and neutrons. they collectively are called nucleus.
Nucleus – The mass of an atom is concentrated in a small space called the nucleus.
Nucleus is the center of atom.
What is Nucleus?
केन्द्रक (Nucleus) के खोजकर्ता कौन है?
केन्द्रक (Nucleus) के खोजकर्ता रॉबर्ट ब्राउन है।