Chemistry
What symbol appears on the periodic table for the element with the atomic number 62?
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Which two transition metals do not exhibit diamagnetism?
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What is the name of a hydrocarbon with two carbons sp^2 hybridized?
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What do scientists use to help organize the elements?
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What post-transition metal is used to make blue and violet light-emitting diodes (LEDs) and diode lasers?
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Which of the following is found in stinging insects?
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A unit of measure of absorbed radiation is known as what?
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What amino acid causes sleepiness following the consumption of a traditional Thanksgiving dinner?
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Which of the following is an abiotic factor in an environment?
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