The formula of the chloride of M will be MCI2.
        
             
        
        
        
Explanation:
high energy to Low energy
=the electron gains energy (K.E)
 
        
             
        
        
        
Gasoline use contributes to air pollution
Gasoline is a toxic and highly flammable liquid. The vapors given off when gasoline evaporates and the substances produced when gasoline is burned (carbon monoxide, nitrogen oxides, particulate matter, and unburned hydrocarbons) contribute to air pollution. Burning gasoline also produces carbon dioxide, a greenhouse gas.
        
             
        
        
        
Answer:
because it covers a large area as there are more then 1 lakh compounds of organic chemistry.