• In chemistry, resonance, also called mesomerism, is a way of describing bonding in certain molecules or polyatomic ions by the combination of several contributing...
    42 KB (5,094 words) - 15:41, 14 November 2024
  • events Resonance (chemistry), the electronic delocalization in molecules often represented via a combination of related Lewis structures Resonance fluorescence...
    3 KB (384 words) - 17:09, 24 April 2024
  • Thumbnail for Nuclear magnetic resonance
    excited in zero applied magnetic field (nuclear quadrupole resonance). In the dominant chemistry application, the use of higher fields improves the sensitivity...
    94 KB (11,999 words) - 06:33, 19 November 2024
  • Thumbnail for Resonance
    Resonance is a phenomenon that occurs when an object or system is subjected to an external force or vibration that matches its natural frequency. When...
    60 KB (7,902 words) - 15:05, 20 November 2024
  • Thumbnail for Nuclear magnetic resonance spectroscopy
    Nuclear magnetic resonance spectroscopy, most commonly known as NMR spectroscopy or magnetic resonance spectroscopy (MRS), is a spectroscopic technique...
    54 KB (6,159 words) - 20:47, 19 November 2024
  • Spin chemistry is a sub-field of chemistry positioned at the intersection of chemical kinetics, photochemistry, magnetic resonance and free radical chemistry...
    7 KB (851 words) - 12:53, 26 September 2024
  • Magnetic Resonance in Chemistry is a monthly peer-reviewed scientific journal covering the application of NMR, ESR, and NQR spectrometry in all branches...
    3 KB (244 words) - 22:35, 29 April 2023
  • Thumbnail for Schumann resonances
    resonances (SR) are a set of spectrum peaks in the extremely low frequency portion of the Earth's electromagnetic field spectrum. Schumann resonances...
    55 KB (6,095 words) - 19:05, 19 November 2024
  • Thumbnail for Covalent bond
    bonding Resonance (chemistry) Whitten, Kenneth W.; Gailey, Kenneth D.; Davis, Raymond E. (1992). "7-3 Formation of covalent bonds". General Chemistry (4th ed...
    28 KB (3,673 words) - 14:01, 24 October 2024
  • Thumbnail for Resonance Raman spectroscopy
    Resonance Raman spectroscopy (RR spectroscopy or RRS) is a variant of Raman spectroscopy in which the incident photon energy is close in energy to an...
    24 KB (2,772 words) - 23:32, 7 August 2024
  • Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes inside...
    92 KB (10,737 words) - 12:00, 17 November 2024
  • Thumbnail for Delocalized electron
    slightly different meanings in different fields: In organic chemistry, it refers to resonance in conjugated systems and aromatic compounds. In solid-state...
    4 KB (448 words) - 09:16, 12 February 2024
  • (IR) spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, and scanning probe microscopy. Quantum chemistry may be applied to the prediction and...
    20 KB (2,232 words) - 18:50, 20 November 2024
  • Thumbnail for Physical chemistry
    Physical chemistry is the study of macroscopic and microscopic phenomena in chemical systems in terms of the principles, practices, and concepts of physics...
    14 KB (1,732 words) - 02:34, 9 November 2024
  • Thumbnail for Radical (chemistry)
    In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron. With some exceptions...
    40 KB (4,613 words) - 06:59, 17 October 2024
  • Thumbnail for Organic chemistry
    Organic chemistry is a subdiscipline within chemistry involving the scientific study of the structure, properties, and reactions of organic compounds...
    39 KB (4,396 words) - 11:06, 21 November 2024
  • Thumbnail for Förster resonance energy transfer
    Förster resonance energy transfer (FRET), fluorescence resonance energy transfer, resonance energy transfer (RET) or electronic energy transfer (EET)...
    52 KB (6,185 words) - 03:43, 30 October 2024
  • Thumbnail for Chemical structure
    only connectivity of the atoms: spectroscopies such as nuclear magnetic resonance (proton and carbon-13 NMR), various methods of mass spectrometry (to give...
    7 KB (849 words) - 02:55, 17 January 2024
  • In chemistry, yield, also known as reaction yield or chemical yield, refers to the amount of product obtained in a chemical reaction. Yield is one of...
    18 KB (2,205 words) - 01:04, 14 June 2024
  • Thumbnail for Richard R. Ernst
    Richard R. Ernst (category Nuclear magnetic resonance)
    the Nobel Prize in Chemistry in 1991 for his contributions towards the development of Fourier transform nuclear magnetic resonance (NMR) spectroscopy...
    16 KB (1,354 words) - 22:26, 4 October 2024
  • biology and chemistry, electron magnetic resonance (EMR) is an interdisciplinary field that covers both electron paramagnetic resonance (EPR, also known...
    819 bytes (63 words) - 11:22, 1 September 2023
  • Thumbnail for William Lipscomb
    William Lipscomb (category Nobel laureates in Chemistry)
    inorganic and organic chemist working in nuclear magnetic resonance, theoretical chemistry, boron chemistry, and biochemistry. Lipscomb was born in Cleveland...
    62 KB (5,965 words) - 13:08, 8 September 2024
  • Thumbnail for Lewis structure
    possible resonance structures. Expressing resonance when drawing Lewis structures may be done either by drawing each of the possible resonance forms and...
    16 KB (2,145 words) - 02:00, 10 November 2024
  • In chemistry, the mesomeric effect (or resonance effect) is a property of substituents or functional groups in a chemical compound. It is defined as the...
    10 KB (1,144 words) - 09:33, 22 June 2024
  • Thumbnail for History of magnetic resonance imaging
    of magnetic resonance imaging (MRI) includes the work of many researchers who contributed to the discovery of nuclear magnetic resonance (NMR) and described...
    35 KB (3,747 words) - 07:40, 29 October 2024
  • Thumbnail for Surface plasmon resonance
    Surface plasmon resonance (SPR) is a phenomenon that occurs where electrons in a thin metal sheet become excited by light that is directed to the sheet...
    30 KB (3,653 words) - 17:31, 6 November 2024
  • Thumbnail for Tautomer
    hypothetical geometries implied by these resonance forms. Tautomerization is pervasive in organic chemistry. It is typically associated with polar molecules...
    14 KB (1,491 words) - 21:58, 12 November 2024
  • Thumbnail for Electron paramagnetic resonance
    Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials that have unpaired electrons. The...
    52 KB (7,149 words) - 04:27, 18 November 2024
  • computational chemistry, a better treatment would be to invoke sigma bond resonance in addition to hybridisation, which implies that each resonance structure...
    33 KB (3,170 words) - 15:02, 7 November 2024
  • Thumbnail for Covellite
    Covellite Nanoplatelets with Broadly Tunable Localized Surface Plasmon Resonance". Chemistry of Materials. 27 (7): 2584–2590. doi:10.1021/acs.chemmater.5b00270...
    20 KB (2,191 words) - 00:12, 10 June 2024