How many alpha and beta particles are emitted during the transformation of 90Th232 to 80Hg200
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Explanation:
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Number of alpha particles lost =
4
232−208
=
6
24
=6
Number of beta particles lost =82−90+2(6)=−8+12=4
Hence, 6 alpha and 4 beta particles are lost.
Note: When an alpha particle is lost, the atomic number decreases by 2 and the mass number decreases by 4.
When a beta particle is lost, the atomic number increases by 1.
ANSWER IS :-6,4
4
232−208
=
6
24
=6
Number of beta particles lost =82−90+2(6)=−8+12=4
Hence, 6 alpha and 4 beta particles are lost.
Note: When an alpha particle is lost, the atomic number decreases by 2 and the mass number decreases by 4.
When a beta particle is lost, the atomic number increases by 1.
ANSWER IS :-6,4
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