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chemistry.boisestate.edu/richardbanks/inorganic/atomic%20structure/atomicstructure_f.htm

The first energy level has the lowest energy and is closest to the nucleus. ... Any element that has a filled shell will tend to be very stable because of this jump in ...

www.shmoop.com/modern-physics/atom-model.html

The radius of the lowest orbital (n = 1) of the hydrogen atom (Z = 1) has a special name ... We can't forget that atoms like having that first energy level full, but the ...

www.everyscience.com/Chemistry/Inorganic/Atomic_Structure/b.1100.php

n the description of the energies of transition of the hydrogen atom, the n values for the different energies are known as the principal quantum number for that ...

www.chemmybear.com/gcch13sc.pdf

The electrons in an atom exist in various energy levels. When an electron moves ... energy to see (UV). Transitions to level n = 3 are too low energy to see (IR).

chemphys.armstrong.edu/P1/AtmStr.htm

Atoms consist of three subatomic particles: protons, neutrons, and electrons. ... The s subshell is the lowest energy subshell and the f subshell is the highest ...

cronodon.com/Atomic/AtomTech3.html

An introduction to atomic spectra. ... electron cannot be measured to be in- between energy levels - it must be found in one of the ... Within each series the lines are labeled using Greek letters, with alpha corresponding to the lowest energy

www.chegg.com/homework-help/questions-and-answers/p1-hydrogen-atom-difference-two-lowest-energy-levels-n-1-n-2-e-102-ev-maximum-number-elect-q6653323

P1. In a hydrogen atom, the difference between the two lowest energy levels, n=1 and n=2, is ?E=10.2 eV. The maximum number of electrons which can be fitted ...

www.chemguide.co.uk/atoms/properties/3d4sproblem.html

Electrons fill low energy orbitals (closer to the nucleus) before they fill higher energy ones. ... They are shown at a slightly higher level than the 4s - and so it is the 4s orbital ... We draw this diagram, and then assume that it works for all atoms .

www.asu.edu/courses/phs208/patternsbb/PiN/rdg/electrons/electrons.shtml

A photon is created when an electron makes a transition from a high energy to a low energy state. In Fig. 1 we show in a) electrons occupying two energy levels ...