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The first(IE(1)) and second (IE(2))Ioniz...

The first(IE_(1)) and second (IE_(2))Ionization energies (KJ/mol) of a few elements designated by roman numerals are given below.Which of these would be an alkali metal?

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Element III is an alkaline earth metal, keeping in mind the comparable values of `IE_1 and IE_2.` The values are not on the higher side also. As these metals show stable (+2) states after losing both their electrons so they will form binary halides with monovalent halogens.
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VMC MODULES ENGLISH-PERIODIC PROPERTIES OF ELEMENTS -Solved Examples
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  18. Draw orbital diagrams for atoms with the following electronic configur...

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  20. The first four ionization energies of an element are 738 kJ/mole, 1450...

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