Afire requires oxygen to burn, and oxygen has  eight protons and eight electrons. Given these facts, what does a fire require to burn among the following options:
- A transportation fuel
 - Something with exactly 2 protons
 - chemical to mechanical energy
 - Something with exactly eight protons
 - Something with exactly 1 proton
 - Burning fuel and air
 - igniting fuel and oxidiser
 - Something with 7 protons


 

    Something with exactly eight protons     