The first `(IE_1`) and second (`IE_2`) ionisation energies (`k J // mol`) of a new element designated by Roman numeral

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Q 3113701640.     The first `(IE_1`) and second (`IE_2`) ionisation
energies (`k J // mol`) of a new element designated
by Roman numerals are shown below :
Which of these elements is likely to be (1) a
reactive metal, (ii) a reactive non-metal, (iii) a
noble gas, and (iv) a metal that forms a binary
halide of the formula, `AX_2` ?

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

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