Suggest explanations for the following.
(a) High values of ionization energies are associated with the noble gases.
(b) The enthalpy changes associated with the attachment of the first and second electrons to an O atom are exothermic and endothermic, respectively
(c) In an Li atom in its ground state, the outer electron occupies a 2s rather than a 2p orbital
List 1 | List 2 |
S6 and S8 | electron |
19F and 31P | proton |
isotope of hydrogen | pnictogens |
12C and 13C | d-block elements |
hydrogen ion | protium |
group 1 elements | fundamental particles |
same energy | ms = ± |
negatively charged particle | allotropes |
spin-paired electrons | degenerate |
electron, proton and neutron | monotopic elements |
group 15 dements | alkali metals |
Cr, Mn, Fe | isotopes of an element |
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