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  2. Chemical polarity - Wikipedia

    en.wikipedia.org/wiki/Chemical_polarity

    In chemistry, polarity is a separation of electric charge leading to a molecule or its chemical groups having an electric dipole moment, with a negatively charged end and a positively charged end. Polar molecules must contain one or more polar bonds due to a difference in electronegativity between the bonded atoms.

  3. Polarizability - Wikipedia

    en.wikipedia.org/wiki/Polarizability

    Polarizability usually refers to the tendency of matter, when subjected to an electric field, to acquire an electric dipole moment in proportion to that applied field. It is a property of particles with an electric charge.

  4. Pole and polar - Wikipedia

    en.wikipedia.org/wiki/Pole_and_polar

    In planar dynamics a pole is a center of rotation, the polar is the force line of action and the conic is the mass–inertia matrix. [4] The pole–polar relationship is used to define the center of percussion of a planar rigid body. If the pole is the hinge point, then the polar is the percussion line of action as described in planar screw theory.

  5. Polarity - Wikipedia

    en.wikipedia.org/wiki/Polarity

    Chemical polarity, in chemistry, a separation of electric charge; Magnetic polarity, north or south poles of a magnet; Polar reciprocation, a concept in geometry also known as polarity; Trilinear polarity, a concept in geometry of the triangle; Polarity of a literal, in mathematical logic

  6. Ellipse - Wikipedia

    en.wikipedia.org/wiki/Ellipse

    Such a relation between points and lines generated by a conic is called pole-polar relation or polarity. The pole is the point; the polar the line. By calculation one can confirm the following properties of the pole-polar relation of the ellipse: For a point (pole) on the ellipse, the polar is the tangent at this point (see diagram: ,).

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  8. Polar surface area - Wikipedia

    en.wikipedia.org/wiki/Polar_surface_area

    The polar surface area (PSA) or topological polar surface area (TPSA) of a molecule is defined as the surface sum over all polar atoms or molecules, primarily oxygen and nitrogen, also including their attached hydrogen atoms. PSA is a commonly used medicinal chemistry metric for the

  9. Small business owners brace for Trump's proposed tariffs - AOL

    www.aol.com/small-business-owners-brace-trumps...

    Small businesses are bracing for stiff tariffs that President-elect Donald Trump has proposed as one of his first actions when he takes office. Trump has proposed importers pay a 25% tax on all ...