A73.16 g sample of an interesting barium silicide compound was reported to have superconducting properties. The compound was found to contain 33.63g barium and the remainder silicon. Calculate the percent composition of the compound ​

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?

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.