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  2. Manganese heptoxide - Wikipedia

    en.wikipedia.org/wiki/Manganese_heptoxide

    Manganese(VII) oxide (manganese heptoxide) is an inorganic compound with the formula Mn 2 O 7 Manganese heptoxide is a volatile liquid with an oily consistency. It is a highly reactive and powerful oxidizer that reacts explosively with nearly any organic compound.

  3. Table of specific heat capacities - Wikipedia

    en.wikipedia.org/wiki/Table_of_specific_heat...

    For example, Paraffin has very large molecules and thus a high heat capacity per mole, but as a substance it does not have remarkable heat capacity in terms of volume, mass, or atom-mol (which is just 1.41 R per mole of atoms, or less than half of most solids, in terms of heat capacity per atom).

  4. File:Mn2O7.svg - Wikipedia

    en.wikipedia.org/wiki/File:Mn2O7.svg

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  5. Negative air ions - Wikipedia

    en.wikipedia.org/wiki/Negative_air_ions

    The "ring-bag" structure rupture theory believes that during the collision between water and gas, the water droplets will form a "U"-shaped intermediate with a "ring-bag" structure when subjected to external impact. The intermediate will then break apart to form small droplets with negative charges and large droplets with positive charges.

  6. Manganese (II,III) oxide - Wikipedia

    en.wikipedia.org/wiki/Manganese(II,III)_oxide

    Mn 3 O 4 has the spinel structure, where the oxide ions are cubic close packed and the Mn II occupy tetrahedral sites and the Mn III octahedral sites. [3] The structure is distorted due to the Jahn–Teller effect. [3]

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  8. Molecular geometry - Wikipedia

    en.wikipedia.org/wiki/Molecular_geometry

    Angular: Angular molecules (also called bent or V-shaped) have a non-linear shape. For example, water (H 2 O), which has an angle of about 105°. A water molecule has two pairs of bonded electrons and two unshared lone pairs. Tetrahedral: Tetra-signifies four, and -hedral relates to a face of a solid, so "tetrahedral" literally means "having ...

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