#RFB-11000850Reading: Fill in the BlanksAcademic,CoreMedium

Atoms

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For about 100 years most people believed John Dalton's idea that atoms were the smallest particles that all matter was made of. However, this idea was soon to be [blank] . Some scientists who were studying atomic models discovered that atoms were not the smallest particles that [blank] and that atoms had different parts with very [blank] characteristics.

Sample Answer & Audio Transcript

For about 100 years most people believed John Dalton's idea that atoms were the smallest particles that all matter was made of. However, this idea was soon to be challenged . Some scientists who were studying atomic models discovered that atoms were not the smallest particles that existed and that atoms had different parts with very distinct characteristics.
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