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Chemistry, 22.06.2019 13:30
The atomic number, or number, is the described as the number of in the nucleus of an chemical element.
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Chemistry, 22.06.2019 14:30
The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as
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Chemistry, 22.06.2019 21:00
What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays
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Chemistry, 23.06.2019 01:00
Chromium(iii) sulfate is a transition metal compound containing the metal chromium and the polyatomic ion sulfate. the oxidation state of chromium in this compound is , and the chemical formula of the compound is ( ) . reset next
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Mathematics, 14.07.2019 18:30
Mathematics, 14.07.2019 18:30
Mathematics, 14.07.2019 18:30
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English, 14.07.2019 18:30