I would think it is a mixture but I'm not 100% sure.
Well, the sugar is dissolving in the water as you mix it which is a physical change.
Bottom left <span>on the periodic table</span>
Answer: Its so much larger because it has a core.
Explanation:
Jupiter is proven to have a core, the planet still could have formed that core through disk instability. Enough dust could have collected and cemented together in the dense gas to form a core many times larger than the size of the Earth