Suppose six atoms of oxygen are present at the beginning of a chemical reaction. how many oxygen atoms are present when the reaction is over. a) always six. b) fewer than six. c) more than six. d) no way of telling

Which of the following units is not an official si unit

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.