An atom of copper (cu) has a mass number of 63 and an atomic number of 29. how many protons does it have?

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

What energy is it when you flip on a switch on a lamp

Which suspect most likely committed the robbery and how do you know