Chemie supertěžkých prvků - test mezí platnosti periodického zákona = Chemistry of Superheavy Elements - Test of the Limits of Validity of the Periodic Law

To chci

Chemistry of "superheavy elements" / transactinoids (SHE) is a rather rare field of chemistry on the borderline between chemistry and physics that deals with the chemical properties of elements from the 7th period of the Periodic Table of Elements (PTE). Due to the very high proton numbers of these elements Z, the properties of their electron shells are significantly influenced by relativistic effects resulting from the relativistic increase of mass of electrons, the velocities of which steadily increase with increasing Z. Extreme consequence of these relativistic effects could be chemical properties differing from those following from the assumed position of the element in PTE based on its proton number. The goal of this review article is to summarize the existing information about the chemical properties of SHE and to test the assumed validity of the periodic law even for the heaviest elements. The conclusions made from the results of the most recent studies of chemical properties of SHE indicate that the structure of the Periodic Table of Elements in its current form remains intact. … celý popis

Podrobná bibliografie

Hlavní autor

Jan John, 1953-

Typ dokumentu

Články

Fyzický popis

10 ilustrací

Publikováno v

Chemické listy. -- ISSN 0009-2770. -- Roč. 113, č. 4 (2019), s. 205-215§

Témata

Wheeler, John Archibald, > 1911-2008

Quill, Laurence

CHEMISTRY

PHYSICS

ELEMENTS

HISTORY

CHEMICAL REACTIONS

nuclear physics

IRRADIATION

X RAYS

CHEMICOPHYSICAL PROPERTIES

ANALYTICAL METHODS

CHROMATOGRAPHY

THERMOCHEMICAL PROPERTIES

supertěžké prvky

SHE

transuranové prvky

transaktinoidy

poločas přeměny

studená fúze

horká fúze

rutherfordium

seaborgium

dubnium

kurchatovium

bohrium

nihonium

flerovium

oganesson

moskovium

tennesin

livermorium

chemie

fyzika

chemické prvky

historie

chemické reakce

jaderná fyzika

ozařování

rentgenové paprsky

fyzikálně-chemické vlastnosti

analytické metody

chromatografie

termochemické vlastnosti

Popis jednotky

2 obrázky, 3 schémata, 5 tabulek

Bibliografie

Literatura na s. 213-214 (34 zázn.)