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How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal
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Analyze the reaction to determine whether the reaction is exothermic or endothermic. explain your reasoning.
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Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?
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Question 3 (1 point)
Which of the following elements is the most electronegative: arsenic, phosphor...
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