Select the word from the list that best fits the defintion

a method for showing what a molecule or compound contains

molecule
compound
mixture
chemical formula
molecular formula
pure substance

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?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Rank substituents in order of their priority when assigning the e or z label to an alkene. i, ch2i , h, ch2ch2cl, f