Weapon..

What is the most powerful that can be made by Potassium, Nickle and Iron?

K - Potassium - grp 1, strong reducing agent, forms KO2 in excess oxygen, oxidation state +1
Ni - Nickle - transition metal, form coloured complex, catalyst, stable oxidation state +2
Fe - Iron - transition metal, coloured complex, crucial in haemoglobin, stable oxidation state +3

- KNiFe

hehehe...