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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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Which sample at stp has the same number of atoms as 18 liters of ne at stp
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Chemistry, 23.06.2019 18:30
Calcium hydroxide and hydrochloric acid react to form calcium chloride and water as shown in the chemical reaction. if the chemicals are present in exactly the correct ratios to fully use all of the ingredients, how many moles of water would be formed from 5 moles of hcl? (oh)2 + ? +
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What is the density of a metal cube that is 1.30 cm in length and has a mass of 8.402 g....
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