Chemical Formulae of Ions

Matching Quiz

Match each pair by selecting correct answer from the dropdown menu.
You will get a different combinatiuon of ions each time.
Then click the Check button to see your result.
Cu+
Cu2+
Fe2+
Fe3+
Cr3+
Cr6+
Mn2+
Mn7+
H+
K+
Na+
Li+
Ca2+
Mg2+
Al3+
O2-
S2-
F-
Cl-
Br-
I-