$2\text{H}_2\text{O}_{2(g)} \longrightarrow 2\text{H}_2\text{O}_{(\ell)} + \text{O}_{2(g)}$

$\text{H}_{2(g)} + \text{I}_{2(g)} \longrightarrow 2\text{HI}_{(g)}$

$\text{CH}_3\text{CHO}_{(g)} \longrightarrow \text{CH}_{4(g)} + \text{CO}_{(g)}$

$2\text{NO}_{(g)} + 2\text{H}_{2(g)} \longrightarrow \text{N}_{2(g)} + 2\text{H}_2\text{O}_{(\ell)}$

$\text{Cl}^-$

$[\text{Fe(CN)}_6]^{4-}$

$\text{PO}_4^{2-}$

$\text{SO}_4^{2-}$

Pa

Cm

Fm

Lr

$3$

$4$

$10$

$12$