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"Ionization of Electrolytes and Ion Reactions" Elements and the World of Matter PPT Courseware (Lesson 2 Ion Reactions)
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2023-09-25 17:34:03
"Seven Traps" in the Application of Avogadro's Constant (NA) "Important elements in seawater - sodium and chlorine PPT
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2023-10-05 09:46:50
"Ionization of Electrolytes and Ion Reactions" Elements and the World of Matter PPT (Lesson 1: Ionization of Electrolytes)
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2023-09-25 17:34:03
"Ionization of Electrolytes and Ion Reactions" Elements and the World of Matter PPT Courseware (Lesson 2 Ion Reactions)
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2023-09-25 17:34:03
"Redox Reactions" Elements and the World of Matter PPT Courseware (Understanding Redox Reactions in Lesson 1)
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2023-09-25 17:34:03
"Redox Reactions" Elements and the World of Matter PPT Courseware (Understanding Redox Reactions in Lesson 1)
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2023-09-25 17:34:03
"Nitrogen and Its Compounds" Important non-metallic elements in chemical production PPT (Lesson 2: Ammonia and ammonium salts)
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2023-09-25 17:33:59
"Nitrogen Cycle" Nature and Transformation of Matter PPT (Lesson 3: The Impact of Nitric Acid Human Activities on the Nitrogen Cycle and the Environment)
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2023-09-25 17:34:00
"Sodium and Its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 2: Several compounds of sodium)
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2023-09-20 15:14:43
"Sodium and Its Compounds" Important elements in seawater - sodium and chlorine PPT (several compounds of sodium in lesson 2)
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2023-09-25 18:21:27
"Redox Reactions" Elements and the World of Matter PPT Courseware (Application of Redox Reactions in Lesson 3)
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2023-09-25 17:34:03
"Amount of Matter" Important elements in seawater - sodium and chlorine PPT (Unit of amount of matter in Lesson 1 - mole)
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2023-10-05 09:46:46
"Amount of Matter" Important elements in seawater - sodium and chlorine PPT (Unit of amount of matter in Lesson 1 - mole)
下载 170 次
2023-09-25 18:21:26
"Ionization of Electrolytes and Ion Reactions" Elements and the World of Matter PPT Courseware (Lesson 1: Ionization of Electrolytes)
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2023-09-25 17:34:03
"Ionization of Electrolytes and Ion Reactions" Elements and the World of Matter PPT Courseware (Lesson 1: Ionization of Electrolytes)
下载 788 次
2023-09-25 17:34:03
"Sodium and Its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 1: Active metal element - sodium)
下载 650 次
2023-09-20 15:12:40
"Sulfur and Its Compounds" Important non-metallic elements in chemical production PPT (Lesson 1 Sulfur and Sulfur Dioxide)
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2023-09-25 17:34:00
"Sodium and Its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 1: Active metal element - sodium)
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2023-09-25 18:21:27
"Nitrogen and Its Compounds" Important non-metallic elements in chemical production PPT (Lesson 3: Nitric acid rain and its prevention and control)
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2023-09-25 17:33:59
"Atmospheric Heating Process and Thermodynamic Circulation" Physical Geographic Elements and Phenomenon PPT (First Lesson Atmospheric Heating Process)
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2023-09-25 18:24:41
"Landscape Characteristics of Main Landforms" Natural Geographic Elements and Phenomenon PPT (Lesson 1: Flowing Water Landforms and Coastal Landforms)
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2023-09-25 18:24:41
"Landscape Characteristics of Main Landforms" Natural Geographic Elements and Phenomenon PPT (Lesson 1: Flowing Water Landforms and Coastal Landforms)
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2023-10-05 09:37:36
"Landscape Characteristics of Main Landforms" Natural Geographic Elements and Phenomenon PPT (Aeolian Landform and Karst Landform in the Second Lesson)
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2023-10-05 09:37:36
"Landscape Characteristics of Main Landforms" Natural Geographic Elements and Phenomenon PPT (Aeolian Landform and Karst Landform in the Second Lesson)
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2023-09-25 18:24:41
"Atmospheric Heating Process and Thermal Circulation" Natural Geographical Elements and Phenomena PPT (Second Lesson Thermal Circulation and Atmospheric Movement)
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2023-09-20 15:21:03
"Sulfur and Its Compounds" Important non-metallic elements in chemical production PPT (Test of sulfate ion in lesson 2)
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2023-09-25 17:34:00
"Atmospheric Heating Process and Thermal Circulation" Natural Geographical Elements and Phenomena PPT (Second Lesson Thermal Circulation and Atmospheric Movement)
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2023-09-20 15:21:03
"Atmospheric Heating Process and Thermodynamic Circulation" Physical Geographic Elements and Phenomenon PPT (Second Lesson Thermodynamic Circulation and Atmospheric Movement)
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2023-09-25 18:24:41
"Sulfur and Its Compounds" Important non-metallic elements in chemical production PPT (Lesson 3: Transformation of sulfur-containing substances in different valence states)
下载 439 次
2023-09-25 17:33:59
"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 2 Laboratory preparation method of chlorine gas and test of chloride ions)
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2023-10-05 09:46:46
"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 2 Laboratory preparation method of chlorine and test of chloride ions)
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2023-09-25 18:21:26
"Transformation of Sulfur" Nature and Transformation of Matter PPT (Lesson 1 Sulfur elements in different valence states in nature and the transformations between them)
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2023-09-25 17:34:01
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