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What are Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '.-particles? In the reaction Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. give the atoms number and mass number of Y.
Asked by Topperlearning User | 09 Jul, 2014, 06:53: PM
answered-by-expert Expert Answer

straight alpha- particle are doubly ionised helium atoms (or nuclei of helium). When radioactive nuclide emits an straight alpha- particle, its mass number is reduced by 4 and atomic number by 2; so the number of Y is Z - 2 and mass number (A - 4)

Answered by | 09 Jul, 2014, 08:53: PM

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