Mark the correct statement.

  • A
    Nuclei of different elements can have the same number of neutrons.
  • B
    Every element has only two stable isotopes.
  • C
    Only one isotope of each element is stable.
  • D
    All isotopes of every element are radioactive.

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Similar Questions

The radius of the nucleus of an atom whose mass number is $125$ is:

Two deuterons are moving towards each other with the same speed. If the distance of closest approach is $2 \, fm$,what should be their initial kinetic energy in $MeV$?

If the radius of $_{13}^{27}Al$ is $3.6 \ fm$,then the radius of the $_{52}^{125}Te$ nucleus will be ........ $fm$.

In the following nuclear reaction $_{12}Mg^{24} + _{2}He^{4} \to _{14}Si^{X} + _{0}n^{1}$,the value of $X$ is:

$A$ nucleus has mass number $\alpha$ and radius $R_{\alpha}$. Another nucleus has mass number $\beta$ and radius $R_{\beta}$. If $\beta = 8\alpha$, then $R_{\alpha}/R_{\beta}$ is:

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