In the formula x2o5, the symbol x could represent an element in group
(1) 1 (3) 15
(2) 2...
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What is the value of the standard enthalpy of formation of an element in its most stable form?
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What is the formula of the ionic compound composed of calcium cations and chloride anions
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Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.
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