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.(92)^(238)U has 92 protons and 238 nucl...

`._(92)^(238)U` has 92 protons and `238` nucleons. It decays by emitting an alpha particle and becomes:

A

`underset( 92)overset( 234)(.) U`

B

`underset( 90) overset( 234)(. ) Th`

C

`underset( 235)overset( 92) (. ) U`

D

`underset( 237) overset( 93)(. ) Np`

Text Solution

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The correct Answer is:
B
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