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Inner transition element

Elements in area f below the periodic table of chemical elements
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The internal transition elements refer to the elements in the f zone below the periodic table of chemical elements.
Chinese name
Inner transition element
Foreign name
inner transition elements
Outside Electronic layer configuration
(n-2)f1~14(n-1)d0~2ns2

Element characteristics

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inner transition elements
Last Fill F Electronics , other Electronic layer (n-2) f1-14 (n-1) d0-2ns2 Element of zone f (fblock elements)。
They have identical outermost and secondary outer electronic structures.

Include elements

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include Lanthanide [ lanthanum (La), cerium (Ce) praseodymium (Pr)、 neodymium (Nd), promethium (Pm) samarium (Sm)、 europium (Eu), gadolinium (Gd), terbium (Tb) dysprosium (Dy), Holmium (Ho) erbium (Er)、 Thulium (Tm)、 Ytterbium (Yb), Lutetium (Lu)] and Actinide element [ Actinium (Ac), Thorium (Th) Protactinium (Pa), uranium (U) Neptunium (Np)、 plutonium (Pu)、 Americium (Am), curium (Cm) Berkeleton (Bk)、 Californium (Cf), einsteinium (Es) Of (Fm)、 Extra (Md), Noi (No) Lawrencium (Lr)]。

Position in the table

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They each lined up in a row periodic table of the elements Below.
Elements 58~71 in the periodic table are called transition elements within 4f, and elements 90~103 are called transition elements within 5f