Mercury | Chemistry: A Volatile History
Mercury is fourteen times heavier than water, and so dense even a steel bolt will float in it.
TweetSimilar broadcast resources
![](https://era.org.uk/app/uploads/2022/06/Bitesize-Science-Solubility-400x230.png)
Solubility | Bitesize Science
Solubility is the measure of how much solute can dissolve in a solvent.
![](https://era.org.uk/app/uploads/2020/09/BBC-Four-Chemistry-A-Volatile-History-The-Power-of-the-Elements-Alpha-particles-400x230.jpg)
Alpha particles | Chemistry: A Volatile History
Rutherford stated the fact that most alpha particles go straight through foil is evidence for the atom being mostly empty space.