Kemija - 2015./16. ljeto - 25.

A. $\mathrm{H}\mathrm{F}\backslash mathrm\{HF\}$

B. ${\mathrm{H}}_2\backslash mathrm\{H\}\_\{2\}$

C. ${\mathrm{B}\mathrm{e}\mathrm{H}}_2\backslash mathrm\{BeH\}\_\{2\}$

D. ${\mathrm{B}\mathrm{H}}_3\backslash mathrm\{BH\}\_\{3\}$