Kemija - 2009./10. ljeto - 9.

A. $\mathrm{BeF}_{2}$

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

C. $\mathrm{H}_{2} \mathrm{O}$

D. ${\mathrm{S}\mathrm{O}}_2\backslash mathrm\{SO\}\_\{2\}$