Recent content by ghallya

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    Calculating Charge Needed for Same Binding Energy in H2+

    hi I need help in solving this The protons the H2+ molculer ion are 0.106 nm apart and the binding energy of H2+ is 2.65 ev , what negetive charge must be placed halfway between two protons this distance apart to give the same binding energy? I calculated it for the electrons , but here i...
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    Spin-Orbit Effects: Calculating Effective Magnetic Field?

    ok thanks , I used that eqn and the one that lambda = c/dalta U https://www.physicsforums.com/showthread.php?t=118042 bye
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    Spin-Orbit Effects: Calculating Effective Magnetic Field?

    thanx anyway Gokul , but its not a course work :) Its somthing we didnt understand from the book I searched for help , and I found hints and I solved it so thanks , :)
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    Why are Cl atoms more chemically active than Cl- ion?

    thanx crabslover I want you all to know , that our books or different than your books and its written in the cover (not for sale in th US ) I don't know why , but we don't understand simple things because we are not that good in english but we are forced to study it to graduate Im sorry if I...
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    Spin-Orbit Effects: Calculating Effective Magnetic Field?

    what do u mean ?:( i don't know , i can't even understand it correctly a little help from u , ill show some work for sure
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    Spin-Orbit Effects: Calculating Effective Magnetic Field?

    Spin-orbit effects splits !? Hi AllL the spin-orbit effect splits the 3P-->3S transition in sodium(which gives rise to the yellow light of sodium vapor highway lamps) into two lines 589.0 nm corresponding to 3P sub 3/2-->3S sub 1/2 and 589.6nm corresponding to 3P sub 1/2 --> 3S sub 1/2. How...
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    Why are Cl atoms more chemically active than Cl- ion?

    thhhhhhhanx very much Gokul43201 I really appreciate your help
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    Why are Cl atoms more chemically active than Cl- ion?

    ok thanks , give me alink that can help me , please
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    Why are Cl atoms more chemically active than Cl- ion?

    thanx for ur reply Meir , but can u give me a more detailed answer with some explanations
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    Undergrad How to Calculate the Energy and Wavelength of K-alpha X-rays for Aluminum?

    Thank you very much , I really appreciate your help
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    Undergrad How to Calculate the Energy and Wavelength of K-alpha X-rays for Aluminum?

    o:) can you give me a link please thanx
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    Undergrad How to Calculate the Energy and Wavelength of K-alpha X-rays for Aluminum?

    hi All can someone help me , how can I find the energy and the wavelength of the K-alpha x-rays of aluminum ,please ?:frown: I hope someone replys soooon
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    Why are Cl atoms more chemically active than Cl- ion?

    Hi , I have an other question , I know Its a stupid question to you brialliant ppl :shy: but I hope I find the answer here why are Cl atoms more chemically active than Cl- ion ? and why are Na atoms more chemically active than Na+ ion ? thanx
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    High School Why Are Magnesium and Beryllium Not Chemically Inactive?

    thank you very much , I really appreciate your help :)
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    High School Why Are Magnesium and Beryllium Not Chemically Inactive?

    Hi all I was woundering , and I searched for a convincing answer but I didnt find any , so i hope i will find it here :) Both Be and Mg (ofcourse othe examples apply ) have closed subshells , why are they not chemically inactive (inert) ?:confused: