Physics, 22.12.2019 00:31 holycow4916
What is meant by the statement '' density of water is 1000 kilograms per cubic metre ''?
Answers: 2
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 15:50, showerofstars
How many neutrons does plutonium -196 with an atomic number of 78.
Answers: 3
Physics, 22.06.2019 17:20, treaustin6978
Could we see a galaxy that is 20 billion light-years away?
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What is meant by the statement '' density of water is 1000 kilograms per cubic metre ''?...
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