Chemistry, 08.07.2019 13:30 mdaniella522
Select the correct answer. elements electronegativity aluminum (al) 1.61 calcium (ca) 1 carbon (c) 2.55 chlorine (cl) 3.16 fluorine (f) 4 hydrogen (h) 2.2 iron (fe) 1.83 nitrogen (n) 3.04 oxygen (o) 3.44 phosphorus (p) 2.19 potassium (k) 0.82 silicon (si) 1.9 sulfur (s) 2.58 use the chart to determine which pair of atoms has the greatest polarity. a. al – si b. s – cl c. n – h d. c – n
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Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing
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You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap
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Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.
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Select the correct answer. elements electronegativity aluminum (al) 1.61 calcium (ca) 1 carbon (c) 2...
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