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Physics, 22.06.2019 10:00, lorelei7668
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
Physics, 22.06.2019 10:00, issaaamiaaa15
Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
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Physics, 22.06.2019 12:50, johnthevarietyboy200
The heliocentric and the geocentric models of the solar system included these central principles
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Magnetic field question about hand rule.
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