Interpretation:
On the basis of electronic configuration, the given statement ‘More energy is required to remove an electron from a fluorine atom than from an oxygen atom’ is to be explained.
Conceptual Introduction:
Ionization energy.is the minimum energy that is required to remove an outermost electron from an isolated gaseous atom to convert it into gaseous cation.
Ionization energy increases across the period as across the group, electrons start getting added.
It increases the effective nuclear charge on the last electron and hence, a large amount of energy is required to remove the electron.
Ionization energy decreases down the group as down the group, a new shell is getting added which increases the distance of the last electron from the nucleus and hence, low amount of energy is required to remove the electron.
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Introduction to Chemistry
- Use electron configurations to explain why (a) sulfur has a lower electron affinity than chlorine. (b) boron has a lower first ionization energy than beryllium. (c) chlorine has a lower first ionization energy than fluorine. (d) oxygen has a lower first ionization energy than nitrogen. (e) iodine has a lower electron affinity than bromine.arrow_forwardWrite one possible set of quantum numbers for the valence electrons of calcium.arrow_forwardConsider the eight most abundant elements in the human body, as outlined in Exercise 156. Excluding hydrogen, which of these elements would have the smallest size? largest size? smallest first ionization energy? largest first ionization energy?arrow_forward
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