Select the correct answer. Which substance is most likely to form in a precipitation reaction? A. calcium nitrate B. copper(I) nitrate C. iron(I) chloride D. iron(II) sulfide E. potassium sulfate

How would you reduce the volume of gas

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

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?