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Question
Which of the following is not a fundamental particle?
Which of the following is not a fundamental particle?
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Solution
The correct option is D Alpha particle
Explanation for correct option:
D. Alpha particle
Atom:
- An atom is composed of three fundamental particles that are electrons, protons as well as neutrons.
- An electron has a negative charge, a proton has a positive charge while neutrons are uncharged species.
- Protons and neutrons are present inside the nucleus of an atom while electrons revolve around in the circular orbits.
- Alpha particle is not considered as the fundamental particle as it is itself made up of protons and neutrons.
Hence, the correct option is D i.e. Alpha particle.
Alpha particle
Explanation for correct option:
D. Alpha particle
Atom:
- An atom is composed of three fundamental particles that are electrons, protons as well as neutrons.
- An electron has a negative charge, a proton has a positive charge while neutrons are uncharged species.
- Protons and neutrons are present inside the nucleus of an atom while electrons revolve around in the circular orbits.
- Alpha particle is not considered as the fundamental particle as it is itself made up of protons and neutrons.
Hence, the correct option is D i.e. Alpha particle.
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