Describe air using the terms: mixture, atoms, and molecules.

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?

Which element would mostly likely have an electron affinity measuring closest to zero

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.