I think it’s b but I could be wrong
Aueyeowosy yo this is my answer
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.
The mass would be same because of the law of conservation which states that the mass of the reactants must equal to the mass of products
Majority can such as hydrogen H and oxygen O forming water H2O but uranium having extra neutrons to form plutonium and beyond simply can't because it will not last for a fraction of a second or spiral out of control and violently react like the little boy and the fat man (a uranium and plutonium nuclear weapon) so yes and no