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Because subatomic particles were found, the atom turned out not to be:
AInflexible
BIndivisible
CInvisible
DInsoluble
Answer & Solution
Correct answer: B. Indivisible
1. Dalton had assumed atoms could not be split.
2. Electrons were then found inside them.
3. So the atom is not indivisible.
_Source: OpenStax Chemistry 2e, Chapter 2, Atoms, Molecules, and Ions._
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