He is a helum atom with one electron missing treating this
He+ is a helum atom with one electron missing. Treating this like a hydrogen arom, what is the first excited state of this atom?
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the activity of a radioactive sample is the number of nuclear disintegrations per second which is equal to the first
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the rate constant for a particular second-order reaction is 047 m-1 s-1 if the initial concentration of reactant is 025
he is a helum atom with one electron missing treating this like a hydrogen arom what is the first excited state of this
suppose that the microwave radiation has a wavelength of 124 cm how many photons are required to heat 275 ml of coffee
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element x decays to element y with a half-life of 077 s initially there is a sample of pure x and after 231 s there are
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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