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प्रश्न
What is meant by the term subatomic particles?
उत्तर १
“Particles into which an atom is divided are called subatomic particles.” Protons, electrons, neutrons.
उत्तर २
Subatomic particles: A subatomic particle is a structural and functional unit of matter. That means all the matters are made up of these fundamental particles. According to modern atomic theory, an atom has a nucleus, which is present in its centre or core. These nucleus contain subatomic particles like protons and neutrons.
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संबंधित प्रश्न
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Tick the most appropriate answer.
How many times is a proton heavier than an electron?
- 1500
- 1800
- 1840
- none of these
Tick the most appropriate answer
β-particles are actually a stream of
- protons
- electrons
- neutrons
- none of these
TRUE \ FALSE
Electrons are present in the nucleus.
ANSWER IN DETAIL
Name the three subatomic particles. How are they different from each other ?
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
Compare an electron and a proton in respect of mass and charge.
Compare a proton and a neutron in respect of mass and charge.
State the location of electrons, protons and neutrons in an atom.
