electrostatic bond
51Intermolecular force — Intermolecular forces (forces between two molecules) are weak compared to the intramolecular forces (forces keeping a molecule together). For example, the covalent bond present within HCl molecules is much stronger than the forces present between …
52Arieh Warshel — is a professor of Chemistry and Biochemistry at the University of Southern California. Known for his work on Computational biochemistry and biophysics, he is the originator of modern force field approaches where the use of Cartesian coordinates… …
53coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …
54Electronegativity — This electrostatic potential map shows how the oxygen atom has a more negative charge than the hydrogen atoms. Electronegativity, symbol χ (the Greek letter chi), is a chemical property that describes the tendency of an atom or a functional group …
55isotope — isotopic /uy seuh top ik/, adj. isotopically, adv. /uy seuh tohp /, n. Chem. any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in… …
56Electrostatics — For a less technical introduction, see Static electricity. Electromagnetism …
57Alpha sheet — The alpha sheet (also known as an alpha pleated sheet or a polar pleated sheet) is a hypothetical secondary structure in proteins, first proposed by Linus Pauling and Robert Corey in 1951.Pauling, L. Corey, R. B. (1951). The pleated sheet, a new… …
58physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
59Secondary structure — In biochemistry and structural biology, secondary structure is the general three dimensional form of local segments of biopolymers such as proteins and nucleic acids (DNA/RNA). It does not, however, describe specific atomic positions in three… …
60Molecular modelling — The backbone dihedral angles are included in the molecular model of a protein. Modelling of ionic li …
