Kemija - 2023./24. jesen - 11.

A. ${\mathrm{N}\mathrm{H}}_3\backslash mathrm\{NH\}\_\{3\}$

B. ${\mathrm{C}\mathrm{H}}_4\backslash mathrm\{CH\}\_\{4\}$

C. ${\mathrm{H}}_2{\mathrm{P}\mathrm{O}}_4^{-}\backslash mathrm\{H\}\_\{2\}\; \backslash mathrm\{PO\}\_\{4\}^\{-\}$

D. ${\mathrm{C}\mathrm{H}}_3{\mathrm{C}\mathrm{O}\mathrm{O}}^{-}\backslash mathrm\{CH\}\_\{3\}\; \backslash mathrm\{COO\}^\{-\}$