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proposed a mechanical universe with small solid masses in motion
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argued about the atomic theory originally proposed by the greeks
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jj thomson proposed that the atom had a plum pudding structure
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planck quantum idea was developed as a way of explaining black body radiation and the associated ultraviolet catastrophe.
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involiving a beam of alpha particles fired at a thin foil of gold to measure the deflection as the alpha particles interacted with the plum pudding gold atoms
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constructed a model of the atom that had small,light, fast,particle like,negatively charged electrons orbiting a small massive positively charged nucleus.
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niels bohr,sommerfield,,stoner and pauli devised the quantum numbers from empirical spectroscopic evidence
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lewis proposed the two electron chemical bond later named the covalent bond by langmuir.
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the crystal structure of an ionic compound.
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linus pauling used empirical heat of reaction data to introduce the elemental property of electronegativity which he defined as:the desire of an atom to attract electrons to itself
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the hellman feynman theorem states that once the spatial distribution of electrons has been determined by solving the schrodinger equation all the forces in the system can be calculated using classical electrostatics
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deals with 3 extreme types of bonding metallic ionic and covalent.
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states that electron pairs repel each other.
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was developed in the 1960's by kenichi fukui who recognized that chemical reactivity can be expalined in terms of interacting highest occupied MO'S lowest unoccupied MO'S and single occupied MO'S
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this method treats a molecular as a collection of particles held together by elastic or simple harmonic forces.
