Electron Cloud Model
Explanation:
The second and fourth ones are in the name...
Bohr and Dalton aren´t Schrodinger
The planetary model is proposed by Dalton too.
The Electron Cloud Model was proposed by Schrodinger and Heisenburg, that calculate the region in the Electron Cloud that an electron can be most likely found.
It is complicated for me to explain, hahaha
Quantum Physics...
1. North
2. It's how the needle works
Explanation:
Since I'm not sure of the answer list, I gave my best guesses, since there is no answer list. It should point north, but there's no answer list so therefore not enough context.