Chemistry
The red color of rubies is caused mainly by the presence of what element?
More Questions from Chemistry
What branch of chemistry is concerned with the chemistry of living organisms?
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Under standard conditions, what periodic table group exists in all three main phases of matter?
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What is the second-most abundant element in the universe, though it is much less common on Earth?
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Which three gas laws constitute the combined gas law (PV/T=pv/t)?
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