Oganesson (Og)

General Information

• Symbol: Og
• Atomic Number: 118
• Atomic Weight: [294] u (most stable isotope)
• Element Category: Noble gas (predicted)
• Group: 18
• Period: 7
• Block: p-block

Physical Properties

• Appearance: Unknown; predicted to be metallic or possibly a gas under certain conditions
• Density: Estimated around 4.9-5.1 g/cm³ (predicted for solid state)
• Melting Point: Unknown
• Boiling Point: Unknown; predicted to be around 80°C (176°F)
• Phase at STP: Predicted to be a gas
• Electron Configuration: [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶
• Oxidation States: Predicted to be 0, possibly +2

Chemical Properties

• Reactivity: Oganesson is expected to have some chemical reactivity, unlike other noble gases, due to relativistic effects that alter its electronic structure.
• Compounds: Theoretical compounds could include oganesson hexafluoride (OgF₆), but none have been synthesized or observed.

Uses and Applications

• Scientific Research: Primarily used in scientific research to study the properties of superheavy elements. Due to its extremely short half-life and radioactivity, oganesson has no commercial applications.

Occurrence and Extraction

• Natural Occurrence: Oganesson does not occur naturally. It is a synthetic element.
• Extraction: Produced artificially in particle accelerators by bombarding lighter elements, such as californium, with heavy ions like calcium.

Isotopes

• Stable Isotopes: Oganesson has no stable isotopes.
• Radioactive Isotopes: The most notable isotope is Oganesson-294 with a half-life of about 0.89 milliseconds.

Safety and Handling

• Hazards: Oganesson is highly radioactive and poses significant health risks due to its intense radioactivity. It requires specialized handling.
• Precautions: Handle with extreme caution using specialized protective equipment and facilities designed to contain radioactivity. Oganesson is typically handled in very small amounts under controlled conditions in research laboratories.

History

• Discovery: Discovered by a collaboration between the Joint Institute for Nuclear Research (JINR) in Dubna, Russia, and Lawrence Livermore National Laboratory (LLNL) in California, USA, in 2002.
• Name Origin: Named after Russian physicist Yuri Oganessian, who contributed significantly to the field of superheavy element research.

Additional Facts

• Crystal Structure: Unknown
• Magnetic Properties: Unknown
• Thermal Conductivity: Unknown
• Electrical Resistivity: Unknown

Summary

Oganesson is a synthetic, highly radioactive noble gas-like element with no commercial applications. It is primarily used in scientific research to study the properties of superheavy elements. Discovered in 2002 by a collaboration between Russian and American scientists, it is named after physicist Yuri Oganessian. Oganesson does not occur naturally and is produced in particle accelerators by bombarding lighter elements with heavy ions. Due to its radioactivity and extremely short half-life, it requires specialized handling and is studied in controlled laboratory environments.

40 Question and Answer Pairs About Oganesson

1. What is the atomic number of Oganesson?

   • 118

2. What is the symbol for Oganesson?

   • Og

3. What is the atomic weight of Oganesson?

   • [294] u (most stable isotope)

4. In which group of the periodic table is Oganesson found?

   • Group 18

5. What period is Oganesson in?

   • Period 7

6. What block does Oganesson belong to?

   • p-block

7. What is the estimated density of Oganesson?

   • Around 4.9-5.1 g/cm³ (predicted for solid state)

8. What is the melting point of Oganesson?

   • Unknown

9. What is the boiling point of Oganesson?

   • Predicted to be around 80°C (176°F)

10. What is the electron configuration of Oganesson?

    • [Rn] 5f¹⁴ 6d¹⁰ 7s² 7p⁶

11. What are the common oxidation states of Oganesson?

    • Predicted to be 0, possibly +2

12. What is the appearance of Oganesson?

    • Unknown; predicted to be metallic or possibly a gas under certain conditions

13. Is Oganesson reactive with air?

    • Predicted to have some reactivity due to relativistic effects

14. Name a predicted compound of Oganesson.

    • Oganesson hexafluoride (OgF₆)

15. What is a common use of Oganesson in scientific research?

    • To study the properties of superheavy elements

16. How is Oganesson used in particle accelerators?

    • Produced by bombarding lighter elements with heavy ions

17. What role does Oganesson play in commercial applications?

    • It has no commercial applications due to its short half-life and radioactivity

18. How is Oganesson found in nature?

    • It does not occur naturally; it is a synthetic element

19. How is Oganesson typically produced?

    • By bombarding lighter elements with heavy ions in particle accelerators

20. What is the most stable isotope of Oganesson?

    • Oganesson-294

21. What is the half-life of Oganesson-294?

    • About 0.89 milliseconds

22. What safety hazard is associated with Oganesson?

    • It is highly radioactive and poses significant health risks

23. Who discovered Oganesson?

    • Discovered by a collaboration between JINR in Russia and LLNL in the USA

24. Where does the name Oganesson come from?

    • Named after physicist Yuri Oganessian

25. What is the crystal structure of Oganesson?

    • Unknown

26. Is Oganesson paramagnetic or diamagnetic?

    • Unknown

27. What is the thermal conductivity of Oganesson?

    • Unknown

28. What is the electrical resistivity of Oganesson?

    • Unknown

29. What is the primary oxidation state of Oganesson?

    • 0 (predicted)

30. Is Oganesson found as a free element in nature?

    • No, it is a synthetic element

31. What is the common name of a predicted Oganesson compound?

    • Oganesson hexafluoride (OgF₆)

32. What is a major application of Oganesson in scientific research?

    • To study the properties of superheavy elements

33. How does Oganesson benefit spectroscopic studies?

    • Its heavy atomic weight helps in studying atomic interactions and properties

34. What is the boiling point of Oganesson in Kelvin?

    • Predicted around 353 K

35. What group does Oganesson belong to in the periodic table?

    • Noble gases (Group 18)

36. What is the natural abundance of Oganesson-294?

    • It is a synthetic isotope with no natural abundance

37. Can Oganesson be used in high-temperature applications?

    • No, due to its radioactivity and short half-life

38. What is the key property that makes Oganesson valuable in scientific research?

    • Its position as a superheavy element

39. How is Oganesson used in radiation research?

    • As a source of alpha particles in experiments

40. What precautions should be taken when handling Oganesson?

    • Use specialized protective equipment and facilities to contain radioactivity