Respuesta :
This is an redox reaction, a combustion reaction.
For example:
4Al + 3O₂ = 2Al₂O₃
Al - 3e⁻ = Al⁺³
O₂ + 4e⁻ = 2O⁻²
For example:
4Al + 3O₂ = 2Al₂O₃
Al - 3e⁻ = Al⁺³
O₂ + 4e⁻ = 2O⁻²