What are isotopes ? Give one example ....

What are isotopes ? Give one example .

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BHARATI BHAWAN (ENGLISH)-ATOMIC STRUCTURE-C. Short Answer Questions

Why are noble gas unreactive ?
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The atom of an element ( not helium ) contains two electrons in its va...
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The mass number of fluorine is 19 and its atomic number is 9. Calculat...
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What is an electron? Give the values of charge and mass of an electron...
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Though electrons are negatively charged , they do not move towards the...
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Why are Bohr orbits called stationary states ?
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How was the neutrons discovered ? Mention the characteristics of neut...
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What are valence electrons ? Discuss any two significance of valence e...
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Define atomic number and mass number .
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What are isotopes ? Give one example .
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How are cations and anions formed ?
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Most elements have fractional atomic masses. ' Explain.
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What are isobars ? Give one examples .
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Mention any three characteristics of cathode rays .
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Give three points of distinaction between isotopes and isobars.
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Describe an experiment to show that cathode rays are made up of materi...
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Compare the charge to mass ratio ( e//m) for the cathode rays and th...
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