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  2. Nitrogen - Wikipedia

    en.wikipedia.org/wiki/Nitrogen

    Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System.

  3. Timeline of states of matter and phase transitions - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_states_of...

    2000 – CERN announced quark-gluon plasma, a new phase of matter. [28] 2023 – Physicists from US and China discovered a new state of matter called the chiral bose-liquid state [29] 2024 – Harvard researchers working with Quantinuum announced a new phase of matter non-Abelian topological order [30]

  4. Discovery of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Discovery_of_chemical_elements

    The two discovered a new element in a molybdenum sample that was used in a cyclotron, the first element to be discovered by synthesis. It had been predicted by Mendeleev in 1871 as eka-manganese. [171] [172] [173] In 1952, Paul W. Merrill found its spectral lines in S-type red giants. [174]

  5. William Crookes - Wikipedia

    en.wikipedia.org/wiki/William_Crookes

    He was, as a consequence, one of the first scientists to investigate what is now called a plasma and identified it as the fourth state of matter in 1879. [21] He also devised one of the first instruments for studying nuclear radioactivity, the spinthariscope. [3] [22] [23] [24]

  6. Daniel Rutherford - Wikipedia

    en.wikipedia.org/wiki/Daniel_Rutherford

    Rutherford discovered nitrogen by the isolation of the particle in 1772. [ 12 ] [ 13 ] When Joseph Black was studying the properties of carbon dioxide , he found that a candle would not burn in it. Black turned this problem over to his student at the time, Rutherford.

  7. Alabama can proceed with first nitrogen gas execution in U.S ...

    www.aol.com/news/alabama-proceed-first-ever...

    The majority r uling from the 11th U.S. Circuit Court of Appeals concurs with another decision this month by a federal judge in Alabama that sided with the state Corrections Department in its ...

  8. Solid nitrogen - Wikipedia

    en.wikipedia.org/wiki/Solid_nitrogen

    Solid nitrogen is a number of solid forms of the element nitrogen, first observed in 1884. Solid nitrogen is mainly the subject of academic research, but low-temperature, low-pressure solid nitrogen is a substantial component of bodies in the outer Solar System and high-temperature, high-pressure solid nitrogen is a powerful explosive, with ...

  9. First nitrogen execution was a 'botched' human experiment ...

    www.aol.com/news/first-nitrogen-execution...

    An Alabama death row inmate filed a lawsuit Thursday that challenges the constitutionality of nitrogen gas executions, arguing that the first person in the nation put to death by that method shook ...

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