Which is one way that scientists ensure that data is reliable?
• through data display
O
by replicating experiments
• through Internet research
by providing clear explanations

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?

What type of matter is made of only one kind of atom

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons