京东 11.11 红包
Alevel-u1-ionic bonding-3
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Alevel-u1-ionic bonding-2
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Alevel-u1-covalent bonding-1
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Alevel-u1-ionic bonding-1
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Alevel-u1-keypoint6-ionic bonding
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Alevel-u1-covalent bonding-4
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Alevel-u1-mass spectrometer-1
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Alevel-u1-periodic table-2
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Alevel-u1-covalent bonding-3
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A level chemistry -u1-ionization energy-1
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Alevel-chemistry-u1-ionization energy-2
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Alevel-u1-mass spectrometer-2
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Alevel-u1-periodic table-3
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Alevel-u1-electronic configuration-2
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Alevel-u1-reaction types-1
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Alevel-u1-metallic bonding
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Alevel-u1-electronic configuration-1
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Alevel-u1-crude oil
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Alevel-u1-covalent bonding-真题讲解-2
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Alevel-u1-keypoint10-isotope
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Alevel-u1-Allende-5
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Alevel-u1-alkene-2
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Alevel-u1-introduction of organic-1
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Alevel-u1-shape of molecule
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Alevel-u1-covalent bonding-2
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Alevel-u1-alkene-1
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Alevel-u1-ionization energy-真题讲解-3
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【U4-23】organic- chirality手性和optical activity光学活性
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Alevel-u1-mass spetrometer-真题讲解-2
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Alevel-u1-key point3-reactions of alkenes
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Alevel-u1-keypoint11-MS
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Alevel-u1-ionization energy-真题讲解-1
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Alevel-u1-key point2-electrophilic addition
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Alevel-u1-keypoint8-metallic bonding
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A level-u1-periodic table-真题讲解-2
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Alevel-u1-2015年6月全套卷讲解
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Alevel-u1-2014年6月全套卷讲解
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Alevel-u1-introduction of organic-5
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Alevel-u1-ionization energy-真题讲解-7
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【U4-8】entropy-熵变判断及计算