Fizika - 2022. ogled, 21.

${}^{26}\mathrm{M}\mathrm{g}\{\; \}^\{26\}\; \backslash mathrm\{Mg\}$

${}^{27}\mathrm{M}\mathrm{g}\{\; \}^\{27\}\; \backslash mathrm\{Mg\}$

${}^{26}\mathrm{A}\mathrm{l}\{\; \}^\{26\}\; \backslash mathrm\{Al\}$

${}^{27}\mathrm{A}\mathrm{l}\{\; \}^\{27\}\; \backslash mathrm\{Al\}$