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3 August, 14:04

Describe the evidence for the existence of electrons?

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  1. 3 August, 14:11
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    Electrons are discovered by using cathode rays: first evidence, scientist who were studying electricity not atomic structure ... an atom that has the same number of protons as other atoms of the same element but has different number of neutrons.
  2. 3 August, 14:34
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    degrees fahrenhiet to degrees Celsius
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