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प्रश्न
How does the existence of isotopes contradict Dalton’s atomic theory?
लघु उत्तर
उत्तर
- Atoms are not indivisible, they can be further divided into fundamental particles electrons, protons and neutrons.
- Every atom of an element is not identical. Isotopes are the atoms of same element with same atomic number but different mass number, that means they have same number of protons and electrons but differ in their number of neutrons.
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Discovery of Charged Particles in Matter - Nucleus
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संबंधित प्रश्न
Fill in the blank
The ..........................of an atom is very hard and dense.
Give the following a suitable word/phrase.
The number of protons present in the nucleus of an atom.
Multiple Choice Questions
The number of electrons in an atom is equal to number of
Complete the table below by identifying A, B, C, D, E and F.
ANSWER IN DETAIL
What are the various components of a nuclear power plant?
State Dalton's atomic theory.
Which metal did rutherford select for his `alpha` particle scattering experiment and why?
Choose the correct option
Rutherford's alpha-particle scattering experiment discovered
Where is the nucleus of an atom situated?
What is meant by the term nucleus
