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Chemistry, 21.06.2019 22:30
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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Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole
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How have the greenhouse gasses increased from the year 2000 to 2018
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Chemistry, 22.06.2019 12:00
Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~
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