What happened to the indivisible part of dalton's atomic theory, and why?

It is proved incorrect because atoms can be further divided into protons neutrons electrons and sub atomic particles

Spontaneity tell us the direction of the reaction, but not how fast it goes. gibbs free energy brings together enthalpy, entropy and temperature in one easy formula. g = h - ts. and, finally the sign of delta g is always negative for a spontaneous reaction.

Well technically there are two correct answers b and d. but for you its probably b in general.good day sir/ma'am : ) (i know not gender)