Chemistry
What is the fifth most abundant element in the universe after hydrogen, helium, oxygen and carbon?
More Questions from Chemistry
What element is used as a filler gas in fluorescent and incandescent light bulbs?
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What symbol appears on the periodic table for Plutonium which has the atomic number 94?
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What metal is known for the chemical compounds it forms, such as emeralds and aquamarines?
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What is the most commonly used material in the manufacturing of semiconductors?
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What symbol appears on the periodic table for Magnesium which has the atomic number 12?
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What is a chemical or physical agent that tends to cause cancers?
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