The principal quantum number, n, designates the main energy levels occupied by electrons. The number of orbitals in an energy level is n2 (n squared), so that the first energy level, n = 1, contains 1 orbital; the second energy level, n = 2, contains 4 orbitals; the third energy level, n= 3, has 9 orbitals; and the fourth energy level, n=4, has 16 orbitals, and so on.
My Dick
Energy levels are formed into sublevels which contain specific numbers of orbitals, each of which can contain two electrons with opposite spins. The s sublevel has 1 orbital, the p sublevel has 3 orbitals, the d sublevel has 5 orbitals, and the f sublevel has 7 orbitals.
There are nuclear energy levels, but they're not "the same" as the electronic energy levels.
electrons
Bohr did not speak of fixed LOCATIONS of electrons, he spoke of fixed energy levels. His name for such energy levels was "orbits" or "orbitals."
The question is somewhat unclear, so my answer may be off. Energy levels in discussion of atomic structure typically refer to the structure of the electron cloud. Around an atoms nucleus are a series of orbitals in which electrons can be stored - they require greater amounts of stored energy to contain at higher orbitals. As such, each orbital fills from the innermost ring out. See http://en.wikipedia.org/wiki/Atomic_orbital for the discussion of atomic orbitals on wikipedia. Each orbital refers to a specific energy level.
Electrons fill orbitals in order of increasing orbital energy. The exact order of these energy levels is shown at the related link below.
The noble gas elements have outermost energy levels with full s and p orbitals.
They have many names. Common ones are orbitals or energy levels.
The electron cloud is divided into s, p, d, and f orbitals. These orbitals also occur at different principle energy levels.
Their orbits are called energy levels.
Energy levels are formed into sublevels which contain specific numbers of orbitals, each of which can contain two electrons with opposite spins. The s sublevel has 1 orbital, the p sublevel has 3 orbitals, the d sublevel has 5 orbitals, and the f sublevel has 7 orbitals.
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The energy levels and orbitals the electrons are in
Energy levels and orbitals.
The energy levels and orbitals the electrons are in
There are nuclear energy levels, but they're not "the same" as the electronic energy levels.
I believe atomic orbitals