Answer:
CH4 + 2O2 → CO2 + 2H2O
Explanation: Hope this helps you.
Answer:
I think 4 I can't remember
The number of protons in an atom is called its atomic number. This number is very important because it is unique for atoms of a given element. All atoms of an element have the same number of protons, and every element has a different number of protons in its atoms