indicate whether each of the species fulfills the octet rule, explain your answers, a) a magnesium nucleus surrounded by 10 el ectrons b) a phosphorus ion c) an argon atom​

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?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Which are forms of frozen water? check all that apply. dew frost hail rain sleet