Iron forms an ionic compound with hydroxide (OH ^ - 1) , 52% of the compound by mass is Iron Find the charge on the iron ion by finding the empirical formula.

It will fall off and tip over. 

Order of filling levels and sublevels of electrons: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²3f¹⁴5d¹⁰6p⁶for an element with 5 electrons in the 3d energy level: full configuration: 1s²2s²2p⁶3s²3p³.

Answer (b) supersaturation;