1. What is the atomic number?
- The number of protons and neutrons
- The number of protons and electrons
- The number of protons
- The number of neutrons
1 of 20
Other questions in this quiz
2. What is an advantage of landfill sites?
- They are cheap
- The polymers lasts longer
- Polymers burn well
- Polymers decompose easily
3. What is an advantage of using ethanol?
- Water is the only product when its burnt
- It re-uses waste plant oil
- It takes in CO2
- Its renewable
4. What sort of catalyst is used to speed up hydrogenation?
5. What is a disadvantage of using hydrogen?
- It produces CO2
- It still needs more fuel
- Its explosive
- Lots of space is needed for growth