One of the key technical differences between the forex markets is the way currencies are quoted. In the forwards or futures markets, foreign exchange always is quoted against the U.S. dollar. This means that pricing is done in terms of how many U.S. dollars are needed to buy one unit of the other currency.
Neutrons and protons make up the nucleus of an atom. They make up the mass of the atom. The volume of an atom is made up of electrons which move outside the nucleus Describe the parts of the atom and where they are found. Neutral atoms have the same number of electons (negative) and protons (positive).
Electrons have a negative charge, so they are repelled by the positive charge of the protons in the nucleus. They don't all move in circular orbits, however. Elect â¦ rons orbit the nucleus in shells; within each shell, only the one or two electrons in the 's' subshell actually orbit the nucleus in approximately a circular fashion. The rest of the electrons in that shell orbit in a more complex motion, dictated by the laws of quantum mechanics. As a chemist who earned my Ph.D. in physical chemistry, I couldn't help but correct the original answer. Firstly, the answer to your question is that electrons do not move in circular orbits around an atom's nucleus. Please read on for further explaination. Secondly, electrons and protons stongly attract one another; they do not repel one another. The Electrostatic Force is extremely powerful.