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प्रश्न
Name the three fundamental particles of an atom.
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उत्तर
The three fundamental particles of an atom are electron proton and neutron.
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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 sum of the number of protons and neutrons of an atom.
Multiple Choice Questions
number of valence electrons present in magnesium is
What are the two main parts of which an atom is made of?
FILL IN THE BLANK
In an atom, the last shell containing electrons is called its..................shell.
Compare an electron, a proton and a neutron in respect of their relative masses and charges.
The particle not present in an ordinary hydrogen atom is :
State its one drawback of Rutherford’s atomic model.
Explain how the modern atomic theory contradicted Dalton’s atomic theory.
Select the correct answer from the choice in the bracket to complete the sentence:
A ________ is a sub-atomic particle with no charge and unit mass.
