Question

an element Y has a valency 3. write the chemical formula for its A) oxide
B) carbonate

Answer 1

Hey mate...


Here's your answer...

_________________________________

ELEMENT-Y


$OXIDE-Y2O3


$CARBONATE-Y2(CO3)3

For example...

Aluminium has a valency of 3.

Thus...Aluminium oxide-Al2O3

And..aluminium carbonate-Al2(CO3)3


_________________________________



HOPE IT HELPS...


@Rêyaañ11

Answer 2

The answer is in the image. Hope it would be clear.