if the energy of ground state of helium plus ion is -70 ev then find the energy of 3rd excited state of lithium plus 2 ion

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• 1 Some Basic Concepts of Chemistry
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• 3 Classification of Elements and Periodicity in Properties
• 4 Chemical Bonding and Molecular Structure
• 5 States of Matter
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• 7 Equilibrium
• 8 Redox Reactions
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• 10 The s-Block Elements
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