In an electrically neutral atom, the number of A. protons equals the number of neutrons.

B. protons equals the number of electrons.

C. neutrons equals the number of electrons.

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?

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat