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Which one 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
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Which one 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 Hichem
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c) atoms contain subatomic particles.

John Dalton's atomic model was also known as a 'Billiard Ball Model' because he thought that all atoms were just simple spheres, and nothing complex inside.
User Brian Mulcahy
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