Question 3 (True/False Worth 4 points) (01.06 LC)
Steel is an example of a pure substance because it is made up of two different metals melted together.
O True
O False

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

How many grams of phosphorus are contained in 5.09 moles of phosphorus?

Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.