1. How many different types of atom can be found naturally in the Earth?
1 of 20
Other questions in this quiz
2. How can scientists measure very small forces?
- They use probes to detect particles and reposition them (atomic force microscopes)
- Magnify Glass
3. What is fractional distillation?
- To separate two or more liquids that are miscible with one another
- A redox reaction
4. What is filtration?
- The separation of an undissolved solid from a mixture of the solid and a liquid/solution
- Extracting aluminium from its ore bauxite
5. What is a molecule?
- A group of 2 or more atoms bonded together
- A mixture of substances