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It is the first element of the actinide series.
Examples are elements found in the lanthanide and actinide series.
The actinide series derives its name from the group 3 element actinium.
In 1945, he went against the advice of colleagues and proposed a significant change to Mendeleev's table: the actinide series.
It was the final and the heaviest element of the actinide series to be synthesized.
The actinide series is the 15 chemical elements between actinium and lawrencium on the periodic table.
The actinide series is named after actinium.
A radioactive metal, neptunium is the first transuranic element, and belongs to the actinide series.
However, I am not sure that any take the long lanthanide and actinide series filling the "f" orbitals in a very visually satisfactory way.
Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with symbol U and atomic number 92.
Actinium gave the name to the actinide series, a group of 15 similar elements between actinium and lawrencium in the periodic table.
In the periodic table of the elements, it is a period 7 d-block element and the last element of the actinide series.
Actinium belongs to the actinide series of the Periodic Table and has a valence of +3.
He developed the actinide concept which placed the actinide series beneath the lanthanide series on the periodic table.
In these tables, lutetium and lawrencium end (or sometimes proceed) the lanthanide and actinide series, respectively.
Replies: I don't understand why the rare earths, the lanthanide and actinide series, include lanthanum and actinium!
It is a metallic radioactive transuranic element in the actinide series, usually synthesized by bombarding einsteinium with alpha particles.
Uranocene is a member of the actinocenes, a group of metallocenes incorporating elements from the actinide series.
The actinide series are the second row of the f-block (5f series) and comprise the elements from Actinium to Lawrencium.
It was the first transuranium element produced synthetically and the first actinide series transuranium element discovered.
In actual practice, the f-block lanthanide and actinide series are also considered transition metals and are called "inner transition metals".
This element of the actinide series was named after Marie Skłodowska-Curie and Pierre Curie - both were known for their research on radioactivity.
Americium is a transuranium element belonging to the actinide series of the Periodic Table and can have a valence of + 2, 3, 4, 5, or 6.
Group 3 elements: scandium (Sc) and yttrium (Y) plus the Lanthanide and Actinide series elements.
This transuranic element of the actinide series is located in the periodic table below the lanthanide element europium, and thus by analogy was named after another continent, America.