Which of the Following Is a Characteristic of the Actinides

Which of the following explains if the students claim is correct or. Which of the following is a characteristic of the actinides.

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Very dense metals with unique structures.

. All actinides are radioactive. They possess almost similar outermost. All actinides are radioactive.

All have the ability to form stable complexes with ligands such as chloride sulfate carbonate and acetate. Which is a characteristic of the actinides. They are all radioactive.

The lanthanide and actinide series make up the inner transition metals. Choice They are found abundantly in nature. They have a full octet of valence electrons.

The actinide elements share the following properties. All but one of the actinides are d-block elements corresponding to the filling of the 5f electron shell lawrencium a d-block element is also generally considered an actinide. When they come into contact with hot water they react.

The following article is from The Great Soviet Encyclopedia 1979. They are found abundantly in nature. All have a silvery or silvery-white luster in metallic form.

That is they have no stable isotopes. Ability to combine directly with most. Actinides have fairly high melting points like lanthanides but there is no definite trend in the melting and boiling point of lanthanides.

They have a full octet of valence electrons. Th Pa and U are naturally radioactive elements. All the elements in the actinide series are heavy because of their large atomic mass.

Melting and Boiling Points of Actinides. Purified actinide metal is highly reactive and tarnishes easily. Are actinides found free in nature.

Correct option is C Lu Gd and La belongs to lanthanide series and Th belongs to actinide series. No definitely notBecause a characteristic property should not changeIt is used to identify a substanceMass and Volume are not characteristic properties whereas Density is a. The actinide concept explained some of the observed properties of the first few actinides namely the presence of 4 to 6 oxidation states and proposed hybridization of the 5f and 6d orbitals.

Group of answer choices The 3 oxidation state is characteristic of the actinides. Which of the following is a characteristic of durable scientific knowledge. The metals are dense.

The 5 f sublevel is in the process of being filled. What block are actinides in. The lanthanide series includes elements 58 to 71 which fill their 4f sublevel progressively.

Easily tarnished in air. What is the energy level of actinides. The actinides are all radioactive.

Actinides representative elements b. Only the first four elements Th Pa U Np are found naturally the rest are lab-made. It might be outdated or ideologically biased.

Which of the following is a part of the transition block that is considered as a special series of elements. Actinides especially those with a small number of 5f-electrons are prone to hybridization. This is explained by the similarity of the electron energies at the 5f 7s and 6d shells.

They do not react. The elements belonging to this series have an atomic mass ranging from. The elements of lanthanide and actinide series are characterized by filling of n-2 f subshell.

They occur in nature and were discovered before the other actinides. The actinides are the 14 elements from thorium atomic number 90 to lawrencium atomic number 103. All of the actinides are silver-colored radioactive metals.

All actinides are radioactive elements and some are man made. It remains unchanged over time. They have no stable isotopes.

They are all radioactive. Which of the following is a characteristic of the actinides. Similarities between Lanthanides and Actinides.

Cerium Ce rnakes 100th in abundance by mass. Actinides are more electropositive and reactive than lanthanides due to their lower ionisation energy. Actinides a family of 14 chemical elements with atomic numbers 90 to.

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