Answer:
Sn has a different charge in each of the compounds.
+2, +4 charges, respectively.
Explanation:
SnO has subscripts of 1, which means it takes only one of each element to make the compound.
We know that oxygen's charge is -2 from the periodic table.
In order for the compound to be neutrally charged,
Sn + O = 0
Sn - 2 = 0.
So, Sn has a +2 charge.
Likewise with the second compound, we know O has a -2 charge.
Sn + 2*(-2) = 0
Sn - 4 = 0
Sn = +4
+2 and +4 are different charges on the Sn cation.
