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a student fills a graduated cylinder with water and reads the level at 30.2 ml. she drops a solid material into the cylinder and the water level rises to 41.5 ml. the object weighs 5000 milligrams. calculate the density of the object and express your results in g/cm3. show your work.

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.