Scientists make observations, conduct experiments, and draw conclusions. Which statement is true of all scientists? Scientists study living things.
Scientists study the natural world.
Scientists study items found on Earth.
Scientists study things found in outer space.

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?

How can the periodic table be used to predict the behavior of elements?

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.