Write the valancy of ammonium, lead , copper , aluminum , zinc , maganese , barium , copper and magnesium fastplease answer fast

Write the valancy of ammonium, lead , copper , aluminum , zinc , magan

1.	Write the valancy of ammonium, lead , copper , aluminum , zinc , maganese , barium , copper and magnesium fastplease answer fast
Answer» *AMMONIUM - 1* *lead - 2* *COPPER - 1 , 2* *aluminum - 3* *zinc - 2* *magnesium - 2* *barium - 2*