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प्रश्न
What is meant by the term subatomic particles?
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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.
APPEARS IN
संबंधित प्रश्न
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
Define the term Atomic number.
Tick the most appropriate answer.
In 1908, R A Millikan found the charge of an electron to be
- 1.6 x 10-19 C
- 1.6 x 10-15 C
- 1.4 x 10-19 C
- 1.6 x 19-16 C.
ANSWER IN DETAIL
Name the three subatomic particles. How are they different from each other ?
ANSWER IN DETAIL
What is the maximum number of electrons that L shell can accommodate ? Give reasons for your answer.
Name the negatively charged particle present in the atoms of all the elements.
Why is an atom neutral inspite of the presence of charged particles in it?
The particle not present in an ordinary hydrogen atom is :
Define the term Nucleons.
