Cual es el electrón que se encuentran en el nivel principal de energía más alto del átomo

How will the emission of an alpha particle affect the atomic number of an atom

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

All cells are made of four types of acids, lipids, proteins, and carbohydrates.