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Periodic Table: Representative Elements & Transition Metals definitions

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이 집합의 용어 (15)

  • Period
    A horizontal row in the periodic table, indicating levels of electron shells for elements.
  • Group
    A vertical column in the periodic table, often sharing similar chemical properties among its elements.
  • Transition Metal
    An element in groups 3 to 12, notable for exhibiting multiple possible charges.
  • Representative Element
    An element in groups 1, 2, and 13 to 18, also called main group or group A element.
  • Inner Transition Metal
    A subset of transition metals located between LA and HF, and AC and RF, often shown separately.
  • Group A Element
    A main group element, found in groups 1, 2, and 13 to 18, excluding transition metals.
  • Group B Element
    A transition metal, found in groups 3 to 12, sometimes labeled with B in group numbers.
  • Main Group Element
    A term for equal to representative elements, found outside groups 3 to 12.
  • Group Labeling
    A system assigning numbers and letters (A or B) to periodic table columns for classification.
  • Varying Charge
    A property of certain elements, especially transition metals, to exhibit more than one positive charge.
  • Group 8B
    A collective label for groups 8, 9, and 10 in the periodic table, all considered together.
  • Group 1A
    The first column of the periodic table, part of the main group elements.
  • Group 2A
    The second column of the periodic table, included among the main group elements.
  • Group 1B
    A label for group 11 in the periodic table, part of the transition metals.
  • Group 2B
    A label for group 12 in the periodic table, included among the transition metals.