Chemistry
What is the first element on the periodic table?
More Questions from Chemistry
What symbol appears on the periodic table for Magnesium which has the atomic number 12?
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What contain most of the calcium ion in the human body?
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What symbol appears on the periodic table for the element with the atomic number 10?
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What is the sixth most abundant element on Earth, as well as the most abundant alkali metal?
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What actinide was once used to power pacemaker batteries, but has since been replaced?
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What is a chemical or physical agent that tends to cause cancers?
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What are organic compounds in which some of the bonding elements are delocalized?
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