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ENSTP: Chemistry Lessons - Chapter Preview

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ENSTP: Chemistry Lessons: ATOMIC AND ELECTRONIC STRUCTURE Topics

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  • Aug. 2, 2023, 3:38 p.m.
    NKENFACK BLONDEL

    Hello madam, 

    correction: intramolecular forces are attractive forces that holds atoms together witin a molecule or a substance. The are stronger and are usually called chemical bonds.

    intermolecular are weaker attractive forces that exist between molecules.

    there are not clear-cut guidlines for which intramolecular forces are strongest because they vary widely interms of stength.

    1)ionic bonds= attraction between cations and anions e.g Na-cl

    2)covalend bond= between shared pairs of electrons  and the nuclie e.g  F-H 

    3)metallic bonds= ATTRACTIVE BETWEEN SEA OF DELOCALISED ELECTRONS e.g Fe-Fe

    intermolecular  can vary alot too, but there are some more recongnized patterns

    1)ion dipole-dipole

    2)hydrogen bonds

    3)vandawall forces

     

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  • Aug. 2, 2023, 11:25 a.m.
    NKENFACK BLONDEL

    correction: les verbe au pluriel du passé simple ce conjugue avec l'accent circonflex cette errur ne doir pas etre negliger

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  • April 16, 2023, 6:25 p.m.
    Konno meli

    wewe

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