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5. Rationalize the following trends. Note that the word "rationalize" means to provide an underlying reason that the trend exists, not to restate the trend in different words. a) IE generally increases left-to-right across a period. b) IE Si > IE Al, but IE Al < IE Mg c) IE P > IE Si, but IE S < IE P. d) Consider the following IE data for elements in Groups 15 and 16 (all units in eV) N 14.53, O 13.62; P 10.48, S 10.36; As 9.81, Se 9.75; Sb 8.64, Te 9.00; Bi 7.29, Po 8.42 What happens to the difference between IE(Gr15) and IE(Gr16) down the columns? Explain this change. Caveat a recitation of the mantra "(half-filled shells are stable" (or something similar) is seran explanation. At best, it is the statement of an apparent empirical trend that refines the underlying patterns of IE and EA by pointing out where discontinuities occur, without actually offering any rationale for those discontinuities. At worst, it is a misleading and dogmatic assertion with no genuine basis in fact. Trends and breaks in trends of IE and EA are best rationalized with reference to specific electronic configurations and orbital energies.

          5. Rationalize the following trends. Note that the word "rationalize" means to provide an underlying reason
that the trend exists, not to restate the trend in different words.
a) IE generally increases left-to-right across a period.
b) IE Si > IE Al, but IE Al < IE Mg
c) IE P > IE Si, but IE S < IE P.
d) Consider the following IE data for elements in Groups 15 and 16 (all units in eV)
N 14.53, O 13.62; P 10.48, S 10.36; As 9.81, Se 9.75; Sb 8.64, Te 9.00; Bi 7.29, Po 8.42
What happens to the difference between IE(Gr15) and IE(Gr16) down the columns? Explain this change.
Caveat a recitation of the mantra "(half-filled shells are stable" (or something similar) is seran explanation. At best, it is the
statement of an apparent empirical trend that refines the underlying patterns of IE and EA by pointing out where
discontinuities occur, without actually offering any rationale for those discontinuities. At worst, it is a misleading and dogmatic
assertion with no genuine basis in fact. Trends and breaks in trends of IE and EA are best rationalized with reference to
specific electronic configurations and orbital energies.

5. Rationalize the following trends. Note that the word "rationalize" means to provide an underlying reason
that the trend exists, not to restate the trend in different words.
a) IE generally increases left-to-right across a period.
b) IE Si > IE Al, but IE Al < IE Mg
c) IE P > IE Si, but IE S < IE P.
d) Consider the following IE data for elements in Groups 15 and 16 (all units in eV)
N 14.53, O 13.62; P 10.48, S 10.36; As 9.81, Se 9.75; Sb 8.64, Te 9.00; Bi 7.29, Po 8.42
What happens to the difference between IE(Gr15) and IE(Gr16) down the columns? Explain this change.
Caveat a recitation of the mantra "(half-filled shells are stable" (or something similar) is seran explanation. At best, it is the
statement of an apparent empirical trend that refines the underlying patterns of IE and EA by pointing out where
discontinuities occur, without actually offering any rationale for those discontinuities. At worst, it is a misleading and dogmatic
assertion with no genuine basis in fact. Trends and breaks in trends of IE and EA are best rationalized with reference to
specific electronic configurations and orbital energies.

Added by Natalia D.

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