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Periodic Table: Element Symbols definitions

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  • Periodic Table
    A grid organizing all known elements by increasing atomic number, grouping those with similar chemical properties in columns.
  • Element
    A pure substance consisting of only one type of atom, each defined by a unique number of protons.
  • Element Symbol
    A one- or two-letter abbreviation representing an element, often derived from its English or Latin name.
  • Atomic Number
    A value symbolized by Z, indicating the number of protons in the nucleus of an atom.
  • Group
    A vertical column on the periodic table where elements share similar chemical properties.
  • Periodic Law
    A principle stating that elemental properties recur periodically when arranged by increasing atomic number.
  • Chemical Property
    A characteristic that determines how an element interacts or reacts with other substances.
  • Latin Name
    An older, often historical, designation from which some element symbols are derived, differing from their English names.
  • Proton
    A positively charged subatomic particle found in the nucleus, determining the atomic number of an element.
  • Prediction
    The ability to foresee the existence of undiscovered elements based on patterns in the periodic table.
  • Column
    A vertical arrangement in the periodic table, also called a group, where elements exhibit similar behaviors.
  • Row
    A horizontal sequence in the periodic table, also known as a period, where atomic numbers increase from left to right.
  • Abbreviation
    A shortened form, such as an element symbol, used for concise representation of longer names.
  • Discovery
    The process of identifying and naming new elements, often predicted by gaps in the periodic table.