?

SAT® Subject Test in Chemistry

Free Version

Upgrade subject to access all content

Moderate

Oxidation Number of $Mn$

SATCHM-XPFLE2

What is the oxidation number of $Mn$ in $MnO_2$?

A

$+2$

B

$+4$

C

$-2$

D

$-4$

E

$7$