Kemija - 2021. jesen, 20.

$\mathrm{S}\mathrm{n}\backslash mathrm\{Sn\}$

${\mathrm{H}}_2\mathrm{O}\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{O\}$

${\mathrm{S}\mathrm{n}\mathrm{O}}_2\backslash mathrm\{SnO\}\_\{2\}$

${\mathrm{H}\mathrm{N}\mathrm{O}}_3\backslash mathrm\{HNO\}\_\{3\}$