Chemistry

Which of these is an element?

More Questions from Chemistry
What kind of cell has a negative EMF and a positive Gibbs free energy?
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Whose laws are used to prove the Ideal Gas law?
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What two common ingredients cause an observable chemical reaction when mixed?
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What are chemicals made from oil called?
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Nitrogen on the periodic table is noted by which symbol?
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What symbol appears on the periodic table for the element with the atomic number 70?
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What is a substance made from only one type of atom called?
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Carbon Dioxide, often given off in a fire, is comprised of what?
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