jakails3073
08.12.2021 •
Chemistry
1) Why could most elements be arranged in order of increasing atomic mass but a few could not? 2) What is the reason for chemical periodicity, why did similar properties repeat?
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Ответ:
Energy is released. In the first step, a uranium-235 atom absorbs a neutron, and splits into two new atoms (fission fragments), releasing three new neutrons and a large amount of binding energy.