How do you find the number of neutrons (n) in an atom of you do not know the mass
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in

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.

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead