FreeMCATPrep Logo

More Than 475 Free MCAT Questions with Detailed Answers!

Click HERE for your Random Question from our MCAT Question A Day Archive

MCAT Question A Day - 10/29/14

Aluminum haonly one oxidatiostatewhile chromiuhas several. Whicof thfollowinis thbest explanation for thidifference?

A.  Electronin the d orbitalof Cr mayor may not be used to form bonds.
B.  Electronithorbitalof Cmayor may not bused to form bonds.
C.  Electronin thorbitalof Al maor manot be used to form bonds.
D.  Electronin thorbitals of Amaor manot bused to form bonds.

Click Here for the solution