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What is the energy (in J) of a photon required to excite an electron from n = 2 to n = 5 in a He+ ion?
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Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes
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How many atoms of mg are present in 97.22 grams of mg? 6.022 ร 1023 2.408 ร 1024 4.818 ร 1024 5.855 ร 1025
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Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a โ3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a โ3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a โ3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a โ3 charge on the phosphorus atom.
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Chemistry, 22.06.2019 19:50
Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood
Answers: 3
What is the energy (in J) of a photon required to excite an electron
from n = 2 to n = 5 in a He+ i...
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