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matter structure (lattice structure (Giant covalent lattic (Physical…
matter structure
lattice structure
Giant covalent lattic
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Bond
Covalent bond, bond energy or bond strength
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Covalent lattice
bond
covalent bond (between the molecules, within the lattice)
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Type
Sigma & Pi
head to head, overlap sideways
Pi键越多越活泼
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Molecular shape
Lewis structure
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Formal charge=valence electron number-nonbonding electron number - 1/2 bonding electron number
每一个原子的值越低越好,总和加起来越小越好
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Ionic lattice
Physical properties
Electrical conductivity 固态不导电 molten,溶液可以导电
(free moving particles)
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Molecular polarity
molecular shape, positive charge and negative charge equal
电荷中心 不重合就是polar
极性不不对称,非极性对称
electronegativity判断正负
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atomic structure
composition
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Electron
ionization energy
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First I.E.
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trend
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graph evidence
向右上逐渐变大
同一周期 N - O, P - S half-full configuration
同一主族 effective nuclear charge
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electronic configuration
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Auflbau rule: lower energy orbitals fill before higher energy orbital
Bund's rule: one electron goes into each until all of them are half full before pairing up
Cu-29: 4s1
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symbol
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Ar: relative atomic mass
MS
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working theory
vaporize
bombardment
electric field: accelerate
magnetic field: deflect (mass high and charge low)
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