Kemija - 2023. jesen, 1.

$\mathrm{K},\mathrm{C}\mathrm{a},\mathrm{A}\mathrm{s},\mathrm{B}\mathrm{r}\backslash mathrm\{K\},\; \backslash mathrm\{Ca\},\; \backslash mathrm\{As\},\; \backslash mathrm\{Br\}$

$\mathrm{B}\mathrm{r},\mathrm{A}\mathrm{s},\mathrm{C}\mathrm{a},\mathrm{K}\backslash mathrm\{Br\},\; \backslash mathrm\{As\},\; \backslash mathrm\{Ca\},\; \backslash mathrm\{K\}$

$\mathrm{A}\mathrm{s},\mathrm{K},\mathrm{B}\mathrm{r},\mathrm{C}\mathrm{a}\backslash mathrm\{As\},\; \backslash mathrm\{K\},\; \backslash mathrm\{Br\},\; \backslash mathrm\{Ca\}$

$\mathrm{K},\mathrm{B}\mathrm{r},\mathrm{C}\mathrm{a},\mathrm{A}\mathrm{s}\backslash mathrm\{K\},\; \backslash mathrm\{Br\},\; \backslash mathrm\{Ca\},\; \backslash mathrm\{As\}$