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Why does a physical change occur when iodine is heated?
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This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
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Compare and contrast physical changes with chemical changes.
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As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
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Why does a physical change occur when iodine is heated?...
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