Chemistry
The red color of rubies is caused mainly by the presence of what element?
More Questions from Chemistry
How many elements with atomic number below 100 have their symbols starting with an upper case T?
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The noble gases that make up Group XVIII of the periodic table is also known as which of the following?
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What number is also the same as proton number and the number of electrons of a neutral atom?
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What element is used in manufacturing cans, foils and kitchen utensils, pipes, and window frames?
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What is the only metallic element that is liquid at standard conditions for temperature and pressure?
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Which of those would you use to perform a metathesis reaction?
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