The periodic table is 150 years old: will there be no more changes?
2019 has been declared by the UN General Assembly as the International Year of the Periodic Table of Chemical Elements . The original version of the table had 56 elements and many more empty spaces . At present, the table is almost completely filled, the number of elements in it has doubled .
Podcast URL: External link
Duration: 0:36:09
Language:
Russian
Topics:
the UN General Assembly
Dmitry Mendeleev
St. Petersburg University
1876
the Periodic Table of Chemical Elements
Author:
Ludmila Vavinska (Людмила Вавинская)
Speech density:
MEDIUM