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प्रश्न
A certain radioactive nucleus emits a particle that leaves its mass unchanged, but increased its atomic number by one. Identify the particle and write its symbol.
उत्तर
A β particle leaves it's mass number unchanged, but increases it's atomic number by one.
The symbol of β particle is given by \[\ce{^0_{-1}e or ^0_{-1}\beta}\].
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संबंधित प्रश्न
What changes occurs in the nucleus of radioactive elements when it emits (a) an alpha particle (b) beta particle and (c) gamma radiations? Give one example in each case in support of your answer.
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\[\ce {^a_x P -> Q + ^0_-1β}\]
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\[\ce {^A_Z X \text ->[α] X_1 \text ->[γ] X_2 \text ->[2β] X_3}\]
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An element P disintegrates by α-emission and the new element suffers two further disintegration, both by β-emission, to form an element Q. Explain that fact P and Q are isotopes.
Does the emission of gamma radiation result in a change in the mass number?
