the sun has a radius of 432,169 miles
C) Nucleus...... Hope it helps, Have a nice day :)
Answer: Valence electron
Explanation:
The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements.
Energy is emitted when an electron falls from a higher energy level to a lower one.
The transition from 3p to 3s would emit energy because the 3s sublevel is lower than the 3p.
If we r talking about the whole atom, we would see that the atom have higher number of protons (positive charges)than electrons (negative charges). That means the number of positiv charges are dominating over the number of negative charges which makes the atom a positiv charges atom
