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The first element in the actinide series is actinium , a chemical element in the Periodic Table that has the symbol Ac and atomic number 89.
The actinide (or actinoid) series encompasses the 15 chemical elements that lie between actinium and lawrencium on the periodic table , with atomic numbers 89-103.
The actinides get their name from the first element in the series , actinium.
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The first of the actinides?
The first actinide element is actinium, which has the atomic number 89. It is a radioactive element that was discovered in 1899 by André-Louis Debierne. Actinium is commonly used in medicine for cancer treatment and as a neutron source in scientific research.
All of the actinides are?
radioactive elements that belong to the periodic table group of actinides. They have increasing atomic numbers starting from actinium (Z=89) to lawrencium (Z=103). Actinides are often used in nuclear reactors and are known for their radioactive properties.
What is the group number of neptunium?
Neptunium is a member of the actinides group.
Which two actinides occur naturally?
Uranium and thorium are the two actinides that occur naturally in the Earth's crust. They are found in low concentrations and have important roles in various nuclear reactions and processes.
Which element has a lower first ionization energy than element S?
Element P (phosphorus) has a lower first ionization energy than element S (sulfur).
Where do the lanthanides and actinides get their names?
The lanthanides get their name from the element lanthanum, which was the first in the series to be discovered. The actinides get their name from actinium, which was the first element in this series to be discovered.
The lanthanides and actinides are known as?
Element groups
What element is the second member of the actinides?
Thorium
What scientific family is the element mendelevium in?
Actinides family
What family does element uranium belong to?
The Actinides(Actinoids)
Does einsteinium have an element like it?
The other elements of the actinides group.
Is americium a rare element series?
Americium is a member of the actinides group.
What element family does Actiniumbelong to?
Actinium belongs to actinides. It has atomic no. 89
What elements on the periodic table is a radioactive element?
Lanthanides and Actinides probably
What family is Americium in?
Americium is in the Actinide family of elements. It is a synthetic element with the symbol Am and atomic number 95. Actinides are a series of elements in the periodic table that have properties similar to actinium.
What type of element is curium?
Curium is an artificial element, radioactive, unstable, metal , solid, a member of the actinides group.
What element is uranium?
Uranium is a natural chemical element, situated in the actinides group; uranium is a solid metal, radioactive.
