Answer:

Explanation:
S is in 3d period, so it has 3 levels
1 level has 2 electrons, 2d level 8 electrons, 3d level 6 electrons

The correct answer is : a. Salt water
It would have THREE rings/energy levels. This is because of the amount of electrons each orbital can hold.
Answer:
H2SO4 + Cu(OH)2 ---> CuSO4+ 2H2O