Ascientist conducted an experiment to determine how acids affect a newly discovered metal. the scientist was careful to record the steps of her experiment, as well as her observations and results. what should the scientist do next? a. come up with a new hypothesis that she can test on the newly discovered metal. b. report her results to the scientific community. c. hide her results from other scientists so that they won’t steal her idea. d. ask the local newspaper to publish her results.

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices