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Question
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The ..........................of an atom is very hard and dense.
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Solution
the nucleus of an atom is very hard and dense.
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Multiple Choice Questions
The number of electrons in an atom is equal to number of
How does the existence of isotopes contradict Dalton’s atomic theory?
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Amount of energy stored inside the ..................... is known as nuclear energy.
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Nuclear energy can be used to make ..........................
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How are radioactive radiations useful in medicines ?
Which metal did rutherford select for his `alpha` particle scattering experiment and why?
Name the following:
The element which does not contain any neutron in its nucleus.
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Rutherford's alpha-particle scattering experiment discovered
What is meant by the term nucleus
Differentiate between the following term:
Nucleus and nucleons
