Chemistry
Beryllium, magnesium, calcium, strontium, barium, and radium consist what group of elements?
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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 the stinky gas associated with swamps and anaerobic decomposition?
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Which of these can take on either a positive or negative charge, typically being a protein?
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What is a vital constituent of plant and animal life, and is the key component of hemoglobin?
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What halogen is extremely rare and is considered one of the rarest naturally occurring elements on Earth?
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What amino acid causes sleepiness following the consumption of a traditional Thanksgiving dinner?
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