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 0.0078 cm thick. how many atoms span the thickness if the radius of the atom is 2.99 angstroms?
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Chemistry, 21.06.2019 16:40
Which of the following is a testable hypothesis? a. if i brush my teeth, i will get fewer cavities than if i don't brush my teeth. b. green toothpaste tastes better than blue toothpaste or red toothpaste. c. smart, careful, healthy people always brush their teeth. d. it's wrong to not brush your teeth before you have an important conversation with someone.
Answers: 1
Chemistry, 22.06.2019 03:00
In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?
Answers: 3
Chemistry, 22.06.2019 10:30
Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
Answers: 1
Paper thickness varies. typically, 100 sheets are about a cm thick. atoms typically vary from 1 to 3...
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