Question

For 5PO42-, what is the subscript?

Answer 1

The subscript is 4

Step-by-step explanation:

The given molecule is written as:

`5PO_(4)^(-2)`

Therefore, the subscript is 4

The coefficient is 5.

The significance of
`5PO_(4)^(-2)` is 5 molecules of
`PO_(4)^(-2)`

The number of molecules is 5 because the coefficient is 5.

The charge of the molecule is -2.