Answer
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Hint: The question is based on knowledge of atomic and subatomic particles from atomic structure.
- Proton meson electrons and neutrons are found within the atom.
- Protons and neutrons make up the nucleus and electrons revolve around the nucleus in fixed orbits.
- Neutrons make up the majority of the mass of the nucleus and are heavier than electrons and protons.
Complete Solution :
- The neutron is a subatomic particle which has a neutral (not positive or negative) charge and is responsible to withhold nucleus with their strong inter nuclear forces. the mass of a neutron is $1.008664\,u$
- A proton is a subatomic particle, symbol, with a positive electric charge of the same magnitude as that on an electron and a mass slightly less than that of a neutron. Protons and neutrons, each with masses of approximately one atomic mass unit, are collectively referred to as "nucleons".the mass of a neutron is $1.007276\,u$.
- The electrons are also a subatomic particle with negative electric charge of $1.6\times {{10}^{-19}}C$ and are found revolving inside the orbits around the nucleus. It is responsible for electric current. The mass of an electron is $0.000548\,u$.
- Meson are unstable subatomic particles composed of a quark and an antiquark.their mass lies in range of $130MeV/{{c}^{2}}\,to\,\,9.46GeV/{{c}^{2}}$
So, the correct answer is “Option A”.
Note: During the discovery of these atomic particles many different theories and models were proposed to give the most stable arrangement of these particles inside atoms like J J Thomson plum pudding model ,Rutherford experiment and many more.
- Finally Bohr model was finally approved to give the actual view of these subatomic particles inside the atom.
- Nuclear forces are the strongest of the four fundamental forces which exist in nature.
- Proton meson electrons and neutrons are found within the atom.
- Protons and neutrons make up the nucleus and electrons revolve around the nucleus in fixed orbits.
- Neutrons make up the majority of the mass of the nucleus and are heavier than electrons and protons.
Complete Solution :
- The neutron is a subatomic particle which has a neutral (not positive or negative) charge and is responsible to withhold nucleus with their strong inter nuclear forces. the mass of a neutron is $1.008664\,u$
- A proton is a subatomic particle, symbol, with a positive electric charge of the same magnitude as that on an electron and a mass slightly less than that of a neutron. Protons and neutrons, each with masses of approximately one atomic mass unit, are collectively referred to as "nucleons".the mass of a neutron is $1.007276\,u$.
- The electrons are also a subatomic particle with negative electric charge of $1.6\times {{10}^{-19}}C$ and are found revolving inside the orbits around the nucleus. It is responsible for electric current. The mass of an electron is $0.000548\,u$.
- Meson are unstable subatomic particles composed of a quark and an antiquark.their mass lies in range of $130MeV/{{c}^{2}}\,to\,\,9.46GeV/{{c}^{2}}$
So, the correct answer is “Option A”.
Note: During the discovery of these atomic particles many different theories and models were proposed to give the most stable arrangement of these particles inside atoms like J J Thomson plum pudding model ,Rutherford experiment and many more.
- Finally Bohr model was finally approved to give the actual view of these subatomic particles inside the atom.
- Nuclear forces are the strongest of the four fundamental forces which exist in nature.
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