Kemija - 2020. jesen, 12.

A. ${\mathrm{C}\mathrm{l}}_2\backslash mathrm\{Cl\}\_\{2\}$

B. ${\mathrm{B}\mathrm{r}}^{-}\backslash mathrm\{Br\}^\{-\}$

C. ${\mathrm{C}\mathrm{l}}^{-}\backslash mathrm\{Cl\}^\{-\}$

D. ${\mathrm{B}\mathrm{r}}_2\backslash mathrm\{Br\}\_\{2\}$