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What is the significance of the term iso...

What is the significance of the term isolated gaseous atom while defining the ionization enthalpy.

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Hint: Requirement for comparison.
`rarr` Isolated gaseous atom.s ionisation enthalpy is taken as reference value and it is required to compare this values to various ions of this elements and the compare this values with various elements.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-Very Short Answer Questions
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  2. Among N^(-3), O^(-2), F^(-), Na^(+), Mg^(+2) and Al^(+3) (b) Arrange...

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  3. What is the significance of the term isolated gaseous atom while defin...

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  4. Energy of an electron in the ground state of the hydrogen atom is -2.1...

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