Respuesta :

Answer:Thompson-plum pudding model of the atom

Rutherford- planetary model of the atom

Bohr- Quantization of energy levels in the atom

Explanation:

Thompson postulated the atom to be a sphere of negative charges into which positive charges were embedded. He discovered electrons. Rutherford discovered the nucleus and protons. Bohr first postulated the idea that electronic energy levels are quantized.

good job