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\which of the following statements is true about one of the compounds? (4 points)
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Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.
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Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?
Answers: 1
\which of the following statements is true about one of the compounds? (4 points)...
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