Explain the following basis of electron configuration i) the electron affinity of S is +200kJ mol-1
Explain the following basis of electron configuration i) the electron affinity of S is +200kJ mol-1
Homework Answers
electron affinity (EA) depends on various factors like effective nuclear charge (enc) , size of the atom, ellipticity of sub-shell (ep) , nature of configuration.
more is the enc more will be the EA
more is the size less will be the EA
more valance shell ellipticity (closer to the nuclei) more will the
EA ( all given element posses P orbital in the valance shell)
The electron affinity of S is +200kJ mol-1 because :
It's simply that the Group 6 element has 1 less proton in the nucleus than its next door neighbour in Group 7. The amount of screening is the same in both.
That means that the net pull from the nucleus is less in Group 6 than in Group 7, and so the electron affinities are less.
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Explain the following basis of electron configuration i) the
electron affinity of S is +200kJ mol-1
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