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Witch of the following is not part of John Daltons atomic theory?

A) all elements are composed of atoms
B) all atoms of the same element have the same mass
C) atoms contain subatomic particles
D) A compound contains atoms of more than one element

User Kguest
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1 Answer

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The answer would be C) atoms contain subatomic particles.It is not part of John Dalton's atomic theory.
Hope this helps!
User Mercy
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