typical "lead" pencil is actually made from carbon. If the carbon in the pencil weighs 1.50 grams, the pencil has [atoms] atoms of carbon.

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

Find the number of moles of argon in 364g of argon.