Answer:
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Noble gases' outer shells are already filled with 8 electrons (other than He, which has 2, but is still filled and stable). Atoms bond with other elements to fill their outer shell, but they don't need to do that and are already stable.
its volume this is the answer because the mercury will turn into gas. gas has more volume because it takes up more space as it spreads.
