newly discovered elements chemistry presentation.pptx

newly discovered elements chemistry presentation.pptx

1. N ewly discovered elements (2011-2024)

2. Steps from discovery to recognition Nomination the discovery of a new chemical element is typically announced by the research team that made the discovery and submit their finding to international union of pure and applied chemistry (IUPAC) and international union of pure and applied physics(IUPAP). 2. Verification process 3. I ndependent confirmation 4. P eer review 5. C riteria assesment 6. P ublic announcment 7. N aming and symbol assignment 8. I ncorporation into periodic table : . More infographic resources , whose size and color can be edited. Sets of customizable icons of the following themes: general, business, avatar, creative process, education, help & support, medical, nature, performing arts, SEO & marketing, and teamwork. You can delete this slide when you’re done editing the presentation.

3. TABLE OF CONTENTS Discovery of T ennesinne History and synthesisof tennessine . A tomic property P hysical property chemical property Application 01 02 04 05 03

4. History of the discovery of tennessine Tennessine was first discovered in 2009,it was synthesised in flerov laboratory of nuclear reactions in Dubuna , Russia by scientific teams of Russia and united states of A merica . Evidence of synthesis were first published in april 2010 and made official by the joint institute for nuclear research. Officially recognized by iupac in 2016 as a newly discovered element.

5. 1 .theoretical prediction The existence of tennessine was first predicted in the late 20 th century through theoretical calculations based on periodic trend of elements . Scientists hypothesized that a element with atomic number of 117 could exist with in the halogen group.

6. 2. Experimental effort Experi mental efforts to synthesis Ts begun in the early 2000.researchers aimed to create an element through nuclear fusion reactions by bombarding heavy nuclei with accelerated beam of lighter nuclei.

7. Collaborative research teams The discovery of tennessine was the result of collaborative efforts between multiple research institutes and international teams of scientists. One of the key laboratories involved in the discovery was the joint institute for nuclear research( JNIR) in Dubna , russia .

8. Synthesis at JINR In 2010 scientists reported a successful synthesis of Ts by bombarding a target of berkelium-249 with a beam of calcium -48ions. This nuclear reaction occurred at the joint institute of nuclear research .

9. Recognition by IUPAC IN 2016, the international union of pure and aplied chemistry (IUPAC) officially recognized the discovery of element 177 and named it tennessine .

10. Integration t With its official recognition tennessine was integrated into the periodic table of elements occupying its place as the heaviest halogen.

11. Atomic property 02 Periodic properties Due to the position of Ts we can tell the atomic radius is lower than other halogens. It also h as low ionization energy electronegativity. 01 03 isotopes Ts is expected to have several isotopes. Ts-293: most stable known isotope of tennessine Ts-294:is another synthesized isotope.

12. Physical properties of Ts appearance: it is predicted to be a synthetic element that is likely to be silvery metal at room temperature. Density : as a heavy element it is expected to have high density Melting and boiling points : these are not precisely known, but as a heavy metal it would have high melting and boiling points. State at room temperature : its expected to be solid at room temperature and pressure. Conductivity : its expected to have metallic properties including electrical conductivity Radioactivity : being a synthetic element with a short half life Ts is inherently radioactive which poses challenges for experimental observation.

13. C hemical properties Reactivity : expected to be highly reactive, tending to form compounds with elements that readily donate electrons . oxidation state : Ts is expected to primarily form compounds where it has an oxidation state of -1. Compound formation : predicted to form compounds with metals and other non metals similar to other halogens. Chemical bonding : Ts is expected to form covalent bonds with other elements .

14. Applications only small number of atoms of tennessine have ever been produced and due to its high radioactivity they have all decayed away. Their current use is for scientific research and studies .