which of the following has a maximum nimber of atoms.a,18g of water h2o.b.18g of oxygen o2.c. 18g of carbon dioxide CO2.d.18g of mithane CH4 Share with your friends Share 4 Avni answered this 18 g of CH4 has maximum number of atoms as CH4 contains five atoms . -9 View Full Answer Ananya Shree answered this 18g of methane CH4 because it contains the maximum 5 atoms 2