Asked by Gabriel
Why did Thomson’s results from experimenting with cathode rays cause a big change in scientific thought about atoms?
His results gave people a picture of what atoms look like for the first time.
His results gave the first clues that atoms could be created and destroyed.
His results gave the first experimental evidence that matter is made up of atoms.
His results gave the first evidence that atoms were made up of smaller particles.
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His results gave the first evidence that atoms were made up of smaller particles.
Explanation: Thomson showed cathode rays were streams of negatively charged particles (electrons) much smaller than atoms by measuring their deflection in electric and magnetic fields (charge-to-mass ratio). That proved atoms are divisible and contain smaller constituents.
Explanation: Thomson showed cathode rays were streams of negatively charged particles (electrons) much smaller than atoms by measuring their deflection in electric and magnetic fields (charge-to-mass ratio). That proved atoms are divisible and contain smaller constituents.
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