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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
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Multiple Choice Questions
The outermost shell of an atom is known as
Explain the rule with example according to which electrons are filled in various energy levels
Tick the most appropriate answer
β-particles are actually a stream of
- protons
- electrons
- neutrons
- none of these
Why is an atom neutral inspite of the presence of charged particles in it?
Compare a proton and a neutron in respect of mass and charge.
State the location of electrons, protons and neutrons in an atom.
Which of the following statement is always correct?
State its one drawback of Rutherford’s atomic model.
Define the term Mass number.
