What is true about the phase changes of water? a. when ice melts, the ice and the water are at the same temperature c. both a and b b. when water freezes, the water and the ice are at the same temperature d. none of the above

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?

Which statement can best be concluded from the ideal gas law?

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt