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Which of the following statements is not...

Which of the following statements is not correct?

A

When an atom emits B-particle, it forms isobar.

B

When a parent element emits one `alpha`-particle followed by the emission of two `beta`-particles, the daughter element formed will be isotope of the parent element.

C

During the emission of `gamma`-rays, there is neither any change in mass number nor of atomic number.

D

When `""_(92)^(232)Th` changes to `""_(82)^(208)Pb` it emits 6 `beta`-particles.

Text Solution

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The correct Answer is:
D
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