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  2. Energy level - Wikipedia

    en.wikipedia.org/wiki/Energy_level

    An increase in energy level from E 1 to E 2 resulting from absorption of a photon represented by the red squiggly arrow, and whose energy is h ν. A decrease in energy level from E 2 to E 1 resulting in emission of a photon represented by the red squiggly arrow, and whose energy is h ν.

  3. Principal quantum number - Wikipedia

    en.wikipedia.org/wiki/Principal_quantum_number

    The minimum energy exchanged during any wave–matter interaction is the product of the wave frequency multiplied by the Planck constant. This causes the wave to display particle-like packets of energy called quanta. The difference between energy levels that have different n determine the emission spectrum of the element.

  4. Atomic electron transition - Wikipedia

    en.wikipedia.org/wiki/Atomic_electron_transition

    The energy of an electron is determined by its orbit around the atom, The n = 0 orbit, commonly referred to as the ground state, has the lowest energy of all states in the system. In atomic physics and chemistry , an atomic electron transition (also called an atomic transition, quantum jump, or quantum leap) is an electron changing from one ...

  5. Electron - Wikipedia

    en.wikipedia.org/wiki/Electron

    To escape the atom, the energy of the electron must be increased above its binding energy to the atom. This occurs, for example, with the photoelectric effect, where an incident photon exceeding the atom's ionization energy is absorbed by the electron. [124]: 127–132 The orbital angular momentum of electrons is quantized. Because the electron ...

  6. Atom - Wikipedia

    en.wikipedia.org/wiki/Atom

    An energy level can be measured by the amount of energy needed to unbind the electron from the atom, and is usually given in units of electronvolts (eV). The lowest energy state of a bound electron is called the ground state, i.e. stationary state , while an electron transition to a higher level results in an excited state. [ 88 ]

  7. Ground state - Wikipedia

    en.wikipedia.org/wiki/Ground_state

    In other words, 13.6 eV is the energy input required for the electron to no longer be bound to the atom. The exact definition of one second of time since 1997 has been the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium -133 atom at rest at a ...

  8. Today's Wordle Hint, Answer for #1262 on Monday ... - AOL

    www.aol.com/todays-wordle-hint-answer-1262...

    Today's Wordle Answer for #1262 on Monday, December 2, 2024. Today's Wordle answer on Monday, December 2, 2024, is GUILE. How'd you do? Next: Catch up on other Wordle answers from this week.

  9. Electron shell - Wikipedia

    en.wikipedia.org/wiki/Electron_shell

    In chemistry and atomic physics, an electron shell may be thought of as an orbit that electrons follow around an atom's nucleus.The closest shell to the nucleus is called the "1 shell" (also called the "K shell"), followed by the "2 shell" (or "L shell"), then the "3 shell" (or "M shell"), and so on further and further from the nucleus.