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Help! help! plz............ 1)What is most important of periodicity lest 4 2)why are energies of various energy levels in hydrogen atomic are negative?​
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Help! help! plz............

1)What is most important of periodicity lest 4
2)why are energies of
various energy levels in hydrogen atomic are negative?​

User Zeev Katz
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There the picture is the answer from the internet
Help! help! plz............ 1)What is most important of periodicity lest 4 2)why are-example-1
User Jaydee
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