kayciemarie9486
19.04.2021 •
Chemistry
A 20.9 gram piece of metal at 199.7 oC is dropped into 91.3 grams of water at 19 oC. The water temperature rose to 40.3 oC.
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Ответ:
Bromin-79
Explanation:
The isotope bromine-79 will contain 35 protons, 35 electrons and 44 neutrons.