• Thumbnail for Disodium helide
    Disodium helide (Na2He) is a compound of helium and sodium that is stable at high pressures above 113 gigapascals (1,130,000 bar). It was first predicted...
    6 KB (669 words) - 02:11, 24 November 2023
  • Helium compounds (redirect from Helide)
    needed] Disodium helide (Na2He) is a compound of helium and sodium that is stable at high pressures above 113 gigapascals (1,130,000 bar). Disodium helide was...
    92 KB (11,102 words) - 18:16, 29 April 2024
  • Lithium helide is a compound of helium and lithium with the formula LiHe. The substance is a cold low-density gas made of Van der Waals molecules, each...
    4 KB (498 words) - 18:31, 5 January 2024
  • Thumbnail for Electride
    usually with a complex optical response. A sodium compound called disodium helide has been created under 113 gigapascals (1.12×10^6 atm) of pressure...
    11 KB (1,185 words) - 17:03, 19 May 2024
  • cannot be isolated. In 2016 scientists created the helium compound disodium helide (Na2He) which was the first helium compound discovered. Radon is not...
    31 KB (3,430 words) - 20:29, 12 December 2023
  •  27–28. ISBN 978-0-08-037941-8. H(0) is found in dihydrogen complexes. Disodium helide, (Na+)2He(e-)2, has been synthesized at high pressure, see Dong, Xiao;...
    46 KB (14,122 words) - 03:24, 16 May 2024
  • Thumbnail for Nonmetal
    glasses are phosphorus, sulfur, selenium; CO2 forms a glass at 40 GPa. Disodium helide (Na2He) is a compound of helium and sodium that is stable at high pressures...
    202 KB (18,838 words) - 07:07, 15 May 2024