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The first and second ionisation enthalpies of anelement are 520 and 7300 kJ/mol respectively. Theelement is likely to be(1) A reactive non-metal(2) A noble gas(3) A reactive monovalent metal4) A non-reactive metal |
| Answer» The first and second ionisation enthalpies of anelement are 520 and 7300 kJ/mol respectively. Theelement is likely to be(1) A reactive non-metal(2) A noble gas(3) A reactive monovalent metal4) A non-reactive metal | |