Chemistry, 25.01.2021 20:20, KariSupreme
Paper thickness varies. Typically, 100 sheets are about a cm thick. Atoms typically vary from 1 to 3 angstroms in radius. (An angstrom is 10-10 m.) Suppose a piece of paper is 0.0072 cm thick. How many atoms span the thickness if the radius of the atom is 1.23 angstroms
Answers: 1
Chemistry, 22.06.2019 06:00, mbrisen7420
Compare and contrast physical changes with chemical changes.
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Chemistry, 22.06.2019 19:00, georgesarkes12
Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury
Answers: 2
Chemistry, 22.06.2019 19:30, simihehe
Phosphorous can form an ion called phosphide, which has the formula p3β. this ion can form an ion called phosphide, which has the formula p3β. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons
Answers: 2
Paper thickness varies. Typically, 100 sheets are about a cm thick. Atoms typically vary from 1 to 3...
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