a sphere without any particles within it, it was a theory
Billiard Ball Model
The correct answer is: The ball-and-stick model.
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A theory. Its the Atom Theory. The old theory used to be that an atom was just like a billiard ball.
The Billiard Ball Model is John Dalton's idea of what an atom looks like.
The billiard ball atom model was proposed by John Dalton.
Billiard Ball Model
the Billiard Ball Model.
Dalton
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The Billiard Ball was created in 1967.
It has not been discovered. There is no such thing as an atomic billiard ball.
work.
Friction between the ball and cloth.
Friction between the ball and cloth.
Friction between the ball and cloth.