Compare the properties of electrons, protons, and neutrons.

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Solution

Protons Electrons Neutrons
They are positively charged. They are negatively charged. They are neutral.
They are present in the nucleus of an atom of the element. They are present in the outer shells within an atom and orbit the positively charged nucleus in well-defined orbits. They are present in the nucleus of all atoms except hydrogen.
A proton is represented as ‘p’. An electron is represented as ‘e’. A neutron is represented as ‘n’.
The mass of a proton is 1.6727×10^-27kg. The mass of an electron is 9.1×10^-31kg. The mass of a neutron is 1.675×10^-27 kg.
The charge on a proton is + 1.6 x 10^-19 coulomb. The charge on an electron is -1.6 x 10^-19 coulomb. The charge on a neutron is zero.

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Protons	Electrons	Neutrons
They are positively charged.	They are negatively charged.	They are neutral.
They are present in the nucleus of an atom of the element.	They are present in the outer shells within an atom and orbit the positively charged nucleus in well-defined orbits.	They are present in the nucleus of all atoms except hydrogen.
A proton is represented as ‘p’.	An electron is represented as ‘e’.	A neutron is represented as ‘n’.
The mass of a proton is 1.6727×10^-27kg.	The mass of an electron is 9.1×10^-31kg.	The mass of a neutron is 1.675×10^-27 kg.
The charge on a proton is + 1.6 x 10^-19 coulomb.	The charge on an electron is -1.6 x 10^-19 coulomb.	The charge on a neutron is zero.