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प्रश्न
State the location of electrons, protons and neutrons in an atom.
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उत्तर
In an atom, the position of subatomic particles is as follows:
Protons: They are positively charged particles present at the centre of the nucleus of an atom.
Neutrons: They are neutral subatomic particles also present in the nucleus of an atom.
Electrons: They are negatively charged particles which revolve in particular orbits around the nucleus of an atom.
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संबंधित प्रश्न
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
FILL IN THE BLANK
The electrons revolving in shells close to the nucleus are called ................... electrons.
Tick the most appropriate answer.
Which of the following scientists observed that cathode rays consists of negatively charged particles?
- John Dalton
- J J Thomson
- James Chadwick
- Democritus
WRITE SHORT ANSWER
What do you mean by electron transition?
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.
Which of the following statement is always correct?
Name the sub-atomic particle whose charge is 0.
Name the three fundamental particles of an atom.
Select the correct answer from the choice in the bracket to complete the sentence:
An element ‘X’ has six electrons in its outer or valence shell. Its valency is __________.
