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Dalton's billiard ball model was based on which of the following ideas?

a. the atom is solid and indivisible.
b. a proton is much smaller than a neutron.
c. the atom can be spontaneously divided.
d. a proton is much smaller than an electron.

1 Answer

6 votes
The answer is A, the atom is solid and indivisible

User Gowthaman M
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