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Electron Arrangements definitions

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  • Electron Arrangement
    Distribution of electrons among energy levels in an atom, indicating how many electrons occupy each shell.
  • Energy Level
    Region around the nucleus where electrons are likely to be found, each with a specific energy and capacity.
  • Principal Quantum Number
    Numerical value representing the main energy level of an electron, increasing with distance from the nucleus.
  • Atomic Orbital
    Space within an energy level where an electron is most likely to be located, with size and energy depending on its shell.
  • Shell
    Group of atomic orbitals sharing the same principal quantum number, often visualized as concentric layers around the nucleus.
  • Period
    Horizontal row on the periodic table, corresponding to the highest occupied energy level in an atom.
  • Periodic Table
    Tabular arrangement of elements, where rows indicate increasing energy levels for electron arrangements.
  • Nucleus
    Central core of an atom, around which electrons occupy various energy levels.
  • Electron
    Negatively charged subatomic particle found in specific energy levels around the nucleus.
  • Size
    Extent of an atomic orbital, which increases as the principal quantum number rises.
  • Capacity
    Maximum number of electrons that an energy level or orbital can hold, increasing with higher energy levels.
  • Row
    Sequence of elements across the periodic table, indicating the number of occupied energy levels in their atoms.