Answer to Question #175272 in General Chemistry for Dawson

Question

Write the symbol of the element from which this ion is derived and Write the formula of the oxide this ion forms.

The partial (valence-level) orbital diagram for a 3+ ion is:

Arrow up, arrow down in 4s. 4 arrows up in 3d.

__ __ __ __ __ (3+ ion)

4s 3d 

Answer 1

Element $Fe^{3 +}$

Formula for the oxide ;$Fe_2O_3$