Odpowiedzi

2010-03-04T17:57:51+01:00
S(IV)O(II)-SO2 tl. siarki (IV)
S(VI)O(II)-SO3 tl. siarki (VI)
Mg(II)O(II)-MgO tl. magnezu
Cl(VI)O(II)-ClO3 tl. chloru (IV)
N(V)O(II) -N2O5 tl. azotu (V)
NA(I)O(II)-Na2O tl. sodu
3 5 3