Chemistry

What is the first element on the periodic table?

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What is the symbol used on the periodic table for the element Francium?
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What symbol appears on the periodic table for the element with the atomic number 14?
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In which emission is the most mass lost?
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What are chemicals made from oil called?
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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 these is a chemical form of communication?
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What is the half-life of Potassium 40 as it decays to Argon?
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What was Avogadro's number?
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