Chem 104 Final Study Guide Questions And Correct Answers

Chemical symbol for fluorine {Ans: F}How many significant figures in 27046 mL? {Ans: 5}Hydronium ion {Ans: H30 1+}Atoms of an element are called __________ if they have the same number of protons, but different number or neutrons {Ans: isotopes}a beta particle is identical to what? {Ans: electron}Which compounds should be included in a set of compounds that illustrates the law of multiple proportions? {Ans: CrO3 Cr2O3 CrO2}