In the nuclear reaction $_{92}{U^{238}}{ \to _z}T{h^A}{ + _2}H{e^4}$, the values of $A$ and $Z$ are
$A = 234, Z = 94$
$A = 234, Z = 90$
$A = 238, Z = 94$
$A = 238, Z = 90$
(b) $A = 238 -4 = 234$ and $Z = 92 -2 = 90.$
Given the mass of iron nucleus as $55.85\,u$ and $A=56$, find the nuclear density?
Mass numbers of two nuclei are in the ratio of $4: 3$. Their nuclear densities will be in the ratio of
The radius of a nucleus of mass number $64$ is $4.8$ fermi. Then the mass number of another nucleus having radius of $4$ fermi is $\frac{1000}{x}$, where $x$ is______.
The mass number of a nucleus is
Why do stable nuclei never have more protons than neutrons ?
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