Match the number of neutrons to the correct isotope by studying the atomic number and mass number of each isotope. Drag the items on the left to the correct location on the right.

What is the temperature of one mole of helium gas at stp?

Answer from each drop-down menu. e characteristics of a borane molecule (bh). the lewis structure and table of electronegativities are given olecular shape is and the molecule is reset next erved. search e a

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?