An actinoid is another word for an actinide, one of the fourteen chemical elements positioned under the lanthanides on the periodic table to which they have similar chemistry.
Most of them are
It is an actinoid.
As an actinoid mendelevium is considered to be in the period 7.
As an actinoid mendelevium is considered to be in the period 7.
There are 15 elements in the actinoid series, also known as the actinides. These elements follow actinium in the periodic table and include elements such as thorium, uranium, and plutonium.
Uranium is an actinoid series element.
Elements 89 (Actinium) through 103 (Lawrencium) on the periodic table of elements.
Fermium is an artificial chemical element, metal, actinoid, radioactive, atomic number 100.
Mendelevium is an artificial element, transition metal, solid, radioactive, unstable, actinoid.
Mendelevium is an artificial chemical element, atomic number 101, metal, solid, radioactive, unstable, actinoid.
Fermium is an artificial element, solid, metal, radioactive, actinoid, atomic number 100.
After the IUPAC nomenclature lanthanum is a lanthanoid and actinium is an actinoid.