Mass number and atomic number of an atom are 232 and 90 respectively. How many `alpha-` particles of this atom must emit, after the emission of `2 beta-`particles, such that the mass number and atomic number of new element are 212 and 82 respectively

Mass number and atomic number of an atom are 232 and 90 respectively.

1.	Mass number and atomic number of an atom are 232 and 90 respectively. How many `alpha-` particles of this atom must emit, after the emission of `2 beta-`particles, such that the mass number and atomic number of new element are 212 and 82 respectively
Answer» Correct Answer - 5 `._(9)^(232)A overset(-2 beta)rarr ._(90)^(232)B rarr ._(82)^(212)C + m_(2)^(4) He` In above nuclear reaction, `232 = 212 + m xx 4` or `m = (232 - 212)/(4) = 5 alpha`- particles

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Mass number and atomic number of an atom are 232 and 90 respectively. How many `alpha-` particles of this atom must emit, after the emission of `2 beta-`particles, such that the mass number and atomic number of new element are 212 and 82 respectively

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