What is meant by subatomic
particle ? Give brief information of three
subatomic particles with reference to
electrical charge, mass and location.
Answers
An atom is made up of electrons, protons and neutrons which are known as sub atomic particles.
Electrons are negatively charged
Protons are positively charged
Neutrons are not charged
Protons and neutrons are present in the nucleus and are called neucleons Electrons orbit the nucleas
Answer:
A subatomic particle is a functional and structural unit of matter. This implies that all the matters are a combination of these fundamental particles. As per the modern atomic theory, an atom has a nucleus at its center or core. This nucleus contains subatomic particles such as protons and neutrons.
The difference between subatomic particles are listed below:
Electron
1. Electrons are usually present outside the atom nucleus.
2. They are negatively charged i.e (1.6 × 10-19 Coulomb).
3. The mass of an electron is considered as negligible as it’s 1800 times less than that of hydrogen.
4. Relative mass = 1/ 1840 times hydrogen
5. It revolves around the nucleus of an atom in a discrete orbit.
Proton
1. Protons are present inside the nucleus of an atom.
2. Protons are positively charged i.e. (1.6 × 10-19 Coulomb).
3. The mass of a proton is approximately 1u (1Dalton) i.e. (1u = 1.66 × 10-27 g).
4. They are bound in the nucleus closely.
Neutron
1. Neutrons are present in an atom nucleus.
2. Neutrons have no charge, hence they are neutral.
3. The mass of a neutron is nearly equal to the mass of a proton that is 1u (1Dalton) i.e. (1u = 1.66 × 10-27 g).
4. They are bound in the nucleus closely.