Which of the following emissions change only the atomic number of a nucleus?

alpha - emission

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beta-emission

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gamma-emission

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delta-emission

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Solution

The correct option is B
beta-emission

When a radioactive nucleus decays by emitting a $β - p a r t i c l e,$ there is no change in its mass number (A) but its proton number increases by one unit. The equation can be represented as :
$_{Z}^{A} X \to_{Z + 1}^{A} Y +_{- 1}^{0} β + E n e r g y$

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Similar questions

Which of the following emissions change the atomic number and mass number?

β - p a r t i c l e

_{82}^{204} P b - β^{+} - --------- \to Positron emission A - α - - \to B - β^{+} - --------- \to Positron emission C

β - p a r t i c l e

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