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How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?
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The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.
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cho 10,8 gam nhôm tác dụng vừa đủ với 400 gam dung dịch H2SO4 . viết phương trình phản ứng xảy ra ....
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