Kemija - 2023. jesen, 4.

${\mathrm{N}\mathrm{O}}_2\backslash mathrm\{NO\}\_\{2\}$

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

${\mathrm{N}}_2{\mathrm{O}}_3\backslash mathrm\{N\}\_\{2\}\; \backslash mathrm\{O\}\_\{3\}$

${\mathrm{N}}_2{\mathrm{O}}_5\backslash mathrm\{N\}\_\{2\}\; \backslash mathrm\{O\}\_\{5\}$