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# Naming Oxyanions

SATCHM-ZNFEFA

If the oxyanion of element "X" with the formula $XO_2 \ ^-$ is named with the suffix "ite", what is the formula for the oxyanion of "X" named using both the prefix "per" and the suffix "ate"?

A

$XO_5 \ ^-$

B

$XO_3 \ ^-$

C

$XO_4 \ ^-$

D

$XO_2 \ ^-$

E

$XO^-$