Energy Level

Tags

Chem/Atom

Cegep/2

Word count

91 words

Reading time

1 minute

Quantum of energy of an electron

Energy level

Strictly positive integer that determines the electron shell
Sym. $E_1,E_2,E_3,\dots$

Ground state

Lowest energy level ($E_1$)
Most stable state

Excited state

Higher energy level ($E_2,E_3,\dots$)
Excited atoms can absorb or emit energy in the form of photons to change state

Energy sublevel

Character that determines the electron subshell

• $s$
• $p$
• $d$
• $f$

Contributors

Ajitani Hifumi

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