Kemija - 2019. ljeto, 17.

${\mathrm{P}\mathrm{H}}_3\backslash mathrm\{PH\}\_\{3\}$

${\mathrm{P}}_2{\mathrm{H}}_4\backslash mathrm\{P\}\_\{2\}\; \backslash mathrm\{H\}\_\{4\}$

${\mathrm{P}}_4{\mathrm{O}}_6\backslash mathrm\{P\}\_\{4\}\; \backslash mathrm\{O\}\_\{6\}$

${\mathrm{P}\mathrm{O}\mathrm{C}\mathrm{l}}_3\backslash mathrm\{POCl\}\_\{3\}$