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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
Mp denotes the mass of the proton and Mn denotes mass of a neutron. A given nucleus of binding energy B, contains Z protons and N neutrons. The mass M (N, Z) of the nucleus is given by(where c is the speed of light)
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A radiative element has N0 number of nuclei at t = 0. The number of nuclei remaining after half of a half-life (that is, at time t = `1/2 "T" _(1/2)`).
Define the ionization energy.
Define the ionization potential.
Write a general notation of the nucleus of element X. What each term denotes?
What is binding energy of a nucleus? Give its expression.
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Calculate the mass defect and the binding energy per nucleon of the \[\ce{^108_47Ag}\] nucleus. [atomic mass of Ag = 107.905949].
Show that the mass of radium \[\ce{^226_88Ra}\] with an activity of 1 curie is almost a gram. Given T1/2 = 1600 years.
