6 Radioactivity

F

The equation represents a decay followed by gamma emission.

{}^{A}_{Z}\mathrm{X}\rightarrow{}^{60}_{28}\mathrm{Ni}+{}^{0}_{-1}\mathrm{e}+{}^{0}_{0}\gamma

What are the values of $A\,$ and $Z$ ?

[1]

$A = 60$ and $Z = 27$

$A = 61$ and $Z = 27$

$A = 59$ and $Z = 28$

$A = 60$ and $Z = 29$

F

The equation represents a decay followed by gamma emission.

{}^{A}_{Z}\mathrm{X}\rightarrow{}^{60}_{28}\mathrm{Ni}+{}^{0}_{-1}\mathrm{e}+{}^{0}_{0}\gamma

What are the values of $A\,$ and $Z$ ?

[1]

$A = 60$ and $Z = 27$

$A = 61$ and $Z = 27$

$A = 59$ and $Z = 28$

$A = 60$ and $Z = 29$

6 Radioactivity Questions