Chemistry, 08.10.2021 03:00 natalie2sheffield
What did Thomson contribute to atomic theory?
A. The discovery that positive charge is concentrated in a core, or nucleus
B. The discovery that negative charge is concentrated in a core, or nucleus
C. The discovery of negatively charged particles, now called electrons
D. The idea that electrons have quantized amounts of energy
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What did Thomson contribute to atomic theory?
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