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प्रश्न
What is isotope? Give an example.
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उत्तर
Isotopes are atoms of the same element having the same atomic number Z, but different mass number A. For example, hydrogen has three isotopes and they are represented as \[\ce{_1^1 H}\] (hydrogen), \[\ce{_1^2H}\] (deuterium), and \[\ce{_1^3H}\] (tritium).
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संबंधित प्रश्न
The nucleus is approximately spherical in shape. Then the surface area of nucleus having mass number A varies as ______.
The mass of a \[\ce{^7_3Li}\] nucleus is 0.042 u less than the sum of the masses of all its nucleons. The binding energy per nucleon of \[\ce{^7_3Li}\] nucleus is nearly ______.
A radioactive nucleus (initial mass number A and atomic number Z) emits 2α and 2 positrons. The ratio of a number of neutrons to that of protons in the final nucleus will be ______.
Define the ionization energy.
Define the ionization potential.
Write a general notation of the nucleus of element X. What each term denotes?
What is isotone? Give an example.
Define atomic mass unit u.
What is binding energy of a nucleus? Give its expression.
Calculate the energy equivalent of 1 atomic mass unit.
