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A radioactive element X, decays by the s...

A radioactive element `X`, decays by the sequence and with half-lives, given below,
`X underset(30"min")overset(alpha)(rarr) Y underset(2"days")overset(beta)(rarr)`
Which of the follwing statemetns about this system are correct?

A

After two hours, less than `10%` of the initail `X` si left.

B

Maximum amount of `Y` present at any time is less than `50%` of the initial amount of `X`

C

Atomic no.of `X` and `Z` are same.

D

Mass no. of `Y` is greater than `X`.

Text Solution

Verified by Experts

The correct Answer is:
`(a,c)`
NA
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