Which group iia metal magnesium or calcium is more active cite your evidence?

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat

If many scientists conduct the same or similar experiments, and all obtain similar results, a can be written, which is a generally agreed-upon statement that explains and predicts how a natural phenomenon works.

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?