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Chemistry, 21.06.2019 22:00
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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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How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
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An unknown substance has been shown to have weak covalent bonds. which of the following is most lik...
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