Kemija - 2024./25. ljeto - 4.

$\mathrm{F},\mathrm{C}\mathrm{l},\mathrm{B}\mathrm{r},\mathrm{I}\backslash mathrm\{F\},\; \backslash mathrm\{Cl\},\; \backslash mathrm\{Br\},\; \backslash mathrm\{I\}$

$\mathrm{C}\mathrm{l},\mathrm{S},\mathrm{P},\mathrm{S}\mathrm{i}\backslash mathrm\{Cl\},\; \backslash mathrm\{S\},\; \backslash mathrm\{P\},\; \backslash mathrm\{Si\}$

$\mathrm{N}\mathrm{a},\mathrm{K},\mathrm{R}\mathrm{b},\mathrm{C}\mathrm{s}\backslash mathrm\{Na\},\; \backslash mathrm\{K\},\; \backslash mathrm\{Rb\},\; \backslash mathrm\{Cs\}$

$\mathrm{B}\mathrm{a},\mathrm{S}\mathrm{r},\mathrm{C}\mathrm{a},\mathrm{M}\mathrm{g}\backslash mathrm\{Ba\},\; \backslash mathrm\{Sr\},\; \backslash mathrm\{Ca\},\; \backslash mathrm\{Mg\}$