The first (`IE_1`) and second (`IE_2`) ionisation enthalpies (`k J mol^(-1)`) of three elements I, II and III are give

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Q 3143112043.     The first (`IE_1`) and second (`IE_2`) ionisation
enthalpies (`k J mol^(-1)`) of three elements I, II and
III are given below:
identify the element which is likely to be
(r) non-metal (ii) an alkali metal (iii) an alkaline
earth metal.

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(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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