Student 33% of the 1 billion carbon atoms in the lab. How many moles of carbon remained?

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?

Explain that newton first law,second law and third law of motion?

Which element is the least metallic between cadmium, silver, zinc, or iron?