babygurl27732
19.03.2020 •
Chemistry
Seismic waves are an example of mechanical waves. What is TRUE of all mechanical waves?A It must travel in empty space B It can travel in a vacuum C It must have a medium
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Ответ:
False
Explanation:
The nuber of neutrons in aluminium is 14 and the atomic mass of the aluminium is 26.982 (atomic mass units).