Substance calcium carbonate iron oxide Chemical Formula CaCO₁₂ Fe₁₂O magnesium silicate MgSiO4 silicon dioxide SiO2 sodium chloride NaCl One way calcium carbonate and magnesium silicate are alike is that both - A contain four atoms of oxygen B are made of only nonmetal elements с I have three different elements in their formulas D have five atoms in each one of their molecules

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