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.

Respuesta :

the answer is A. the atom is small and indivisible

Answer:

a. the atom is solid and indivisible.  Took a quiz this is correct :)

Explanation: