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Which of the following elements has the lowest electronegativity? a. calcium (ca) b. strontium (sr) c. magnesium (mg) d. barium (ba
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What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources
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Match the formula for the following compound: magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o
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Wind and moving water provide energy. chemical mechanical thermal none of the above
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Which of the following elements has the lowest electronegativity? a. calcium (ca) b. strontium (sr)...
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