How many valence electrons are found in most atoms of noble gases use this information to explain why the noble gases are unreactive

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery

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 sample at stp has the same number of atoms as 18 liters of ne at stp