Question

H2O, Hg, HI, Fe, CO2, HCl, H2S, SO2, CO, NaCl, CH4, CO2, H2SO4, SiO2, H3PO4, O2, Au, AgCl, H2CO3, NH3.

Quantos desses são substâncias compostas???

Answer 1

16 - H2O, HI, CO2, HCl, H2S, SO2, CO, NaCl, CH4, CO2, H2SO4, SiO2, H3PO4, AgCl, H2CO3, NH3