What is the total number of hydrogen atoms required to form one molecule of c3h5(oh)2

What happens to the atomic radius when an elctron is lost

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons