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Byju's Answer
Standard VIII
Chemistry
Isotopes and Isotones
What happens ...
Question
What happens to the position of an element in the periodic table when it emits an
α
particle
A
Changes to two places earlier
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B
Changes to two places after
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C
No change
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D
cant say
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Solution
The correct option is
A
Changes to two places earlier
Emission of alpha particle reduces the atomic number of particle by two, hence in periodic table it move two places earlier.
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