In the nuclear reaction $_{92}{U^{238}}{ \to _z}T{h^A}{ + _2}H{e^4}$, the values of $A$ and $Z$ are
In the nuclear reaction $_{92}{U^{238}}{ \to _z}T{h^A}{ + _2}H{e^4}$, the values of $A$ and $Z$ are
- A
$A = 234, Z = 94$
- B
$A = 234, Z = 90$
- C
$A = 238, Z = 94$
- D
$A = 238, Z = 90$
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