What is the total number of atoms in the hydrate below? Al(ClO3)3 • 6H2O?

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize