Chemistry, 24.03.2021 04:10 hkcapricorn7705
Looking across period 4 of the periodic table, potassium (atomic number 19) is followed by calcium (atomic number 20), which is followed by scandium (atomic number 21). Which element should have the largest atomic radius?
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What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?
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This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.
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When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
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Looking across period 4 of the periodic table, potassium (atomic number 19) is followed by calcium (...
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