The first `(IE_(1))` and second `(IE_(2))` ionisation energies `(kJ mol^(-1))` of a new element designated by roman numericals are shown below:
`{: (,(IE_(1)),(IE_(2))),(I,2372,5251),(II,520,7300),(III,900,1760),(IV,1680,3380):}`
Which of these elements is likely to be (a) a reactive metal, (b) a reactive non-metal, (c) a noble gas and (d) a metal that forms a binary halide of the formula, `AX_(2)`.

The first (IE_(1)) and second (IE_(2)) ionisation energies (k J mol^(-1)) of a new elements designated by roman numerals are shown below: {:(,,IE_(1),IE_(2),),(I,,2370,5250,),(II,,520,7300,),(III,,900,1800,),(IV,,1700,3400,):} Which of the above elements is likely to be : a. A reactive metal b. A reactive non-metal c. a noble gas d. A metal that forms a stable binary halide of the formula AX_(2) ( X= the halogen).

The first (IE_(1)) and second (IE_(2)) ionisation energies (k J mol^(-1)) of a new elements designated by roman numerals are shown below: {:(,,IE_(1),IE_(2),),(I,,2370,5250,),(II,,520,7300,),(III,,900,1800,),(IV,,1700,3400,):} Which of the above elements is likely to be : a. A reactive metal b. A reactive non-metal c. a noble gas d. A metal that forms a stable binary halide of the formula AX_(2) ( X= the halogen).

The first (IE_1) and second (IE_2) ionisation enthalpies ("kJ mol"^(-1)) of a few elements designated by Roman numerals are shown below. {:(,,IE_(1),IF_(2)),(,I,2372,5251),(,III,900,1760):} {:(,,IE_(1),IE_(2)),(,II,520,7300),(,IV,1680,3380):} Which of the above element is likely to be: a reactive metal