When the overall charge is equal to zero
I did this question before and the answer is Magnesium and silicon, B.
NaBr (aq) + _H3PO4 (aq) → _Na3PO4(aq) + _HBr (aq)<br>
3,1,1,3<br>
1,2,3,1<br>
3,1,3,1<br>
1,1,3,3
BaLLatris [955]
Answer:
A 3,1,1,3
Explanation:
hope the picture help u to understand :)
The answer would be C. Pb