CHEMISTRY [3 Mark Question Answer]

three conclusions regarding the nucleus of an atom are following
(1) Nucleus of an atom is positively charged because the nucleus contains protons and neutrons because of the protons nucleus has an overall positive charge.
The electrons revolve around the nucleus.
(2) The Nucleus of an atom is very dense and hard.
(3) Nucleus of an atom is very small as compared to the size of the atom as a whole

Nucleus:
•The small region situated in the center of an atom is called the nucleus.
•The two particles found inside the nucleus of an atom are the following:
Protons
•Proton is a positively charged particle present inside the nucleus of an atom.
• Its charge is taken asa unit positive charge and its mass is 1.67262192x10-27kilograms.
Neutrons
•A neutron is a neutral particle present inside the nucleus of an atom.
•It has no electrical charge and its mass is almost equal to the mass of the proton. i.e., 1.67493x10-27kg