WILL GIVE BRAINLIEST What were the changes to the atomic model over time?

The atomic model started out as a large single ball, then with electrons attached to it. It then became  "planetary model" with electrons orbiting at specific levels, and then later one with a nucleus or multiple different particles like protons and neutrons, and electrons orbiting at general (but not specifically predictable) areas.

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14 days is the half-life of phosphorus-32