95. Solving a chemistry problem
📂 Coursework
👤 Derkach
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6. How to explain the variable valence of the atoms of sulfur, chlorine and the absence of a variable valence of the atoms of oxygen and fluorine. Write the electronic formulas of atoms No. 79 (Au), No. 35 (Br) and their ions Аu3, Br–.
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If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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