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  2. Isotopes of neon - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_neon

    Isotopes of neon (10Ne) In addition, 17 radioactive isotopes have been discovered, ranging from 15. , all short-lived. The longest-lived is 24. with a half-life of 3.38 (2) min. All others are under a minute, most under a second. The least stable is 15. with a half-life of 770 (300) ys ( 7.7 (3.0) × 10−22 s ).

  3. Neon - Wikipedia

    en.wikipedia.org/wiki/Neon

    Neon is a chemical element; it has symbol Ne and atomic number 10. It is the second noble gas in the periodic table. [ 13] Neon is a colorless, odorless, inert monatomic gas under standard conditions, with approximately two-thirds the density of air. Neon was discovered in 1898 alongside krypton and xenon, identified as one of the three ...

  4. List of U.S. state and territory abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_and...

    Originally Nebraska was "NB"; but, in November 1969, the Post Office changed it to "NE" to avoid confusion with New Brunswick in Canada. [ 4 ] Prior to 1987, when the U.S. Secretary of Commerce approved the two-letter codes for use in government documents, [ 13 ] the United States Government Printing Office (GPO) suggested its own set of ...

  5. Noble gas - Wikipedia

    en.wikipedia.org/wiki/Noble_gas

    For instance, argon, krypton, and xenon form clathrates with hydroquinone, but helium and neon do not because they are too small or insufficiently polarizable to be retained. [61] Neon, argon, krypton, and xenon also form clathrate hydrates, where the noble gas is trapped in ice. [62] An endohedral fullerene compound containing a noble gas atom

  6. Neon compounds - Wikipedia

    en.wikipedia.org/wiki/Neon_compounds

    Neon can form a very weak bond to a transition metal atom as a ligand, for example Cr(CO) 5 Ne, [16] Mo(CO) 5 Ne, and W(CO) 5 Ne. [17] NeNiCO is predicted to have a binding energy of 2.16 kcal/mol. The presence of neon changes the bending frequency of Ni−C−O by 36 cm −1 .

  7. List of medical abbreviations: N - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    nonsteroidal antiinflammatory drug. NSBB. Non-selective beta blocker. NSCC. Non-squamous-cell carcinoma. NSCLC. non–small cell lung carcinoma. NSD. normal spontaneous delivery (see childbirth )

  8. List of chemistry mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_chemistry_mnemonics

    A mnemonic is a memory aid used to improve long-term memory and make the process of consolidation easier. Many chemistry aspects, rules, names of compounds, sequences of elements, their reactivity, etc., can be easily and efficiently memorized with the help of mnemonics.

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