(a)
Interpretation:
The element with the largest atomic radius should be selected from the P, As and S.
Concept introduction:
From left to right across a period atomic size get decrees. From top to bottom across a group atomic size increase.
(b)
Interpretation:
The one with the smallest radius should be selected from Xe, O2-, N3- and F-.
Concept introduction:
From left to right across a period atomic size get decrees. From top to bottom across a group atomic size increase.From left to right across a period atomic size get decrees. From top to bottom across a group atomic size increase.
Generally, adding electrons to atom to produce anion, increases it size. While removing electrons from atom to produce cation decrease it size.
(c)
Interpretation:
The one with the highest difference between 1st and 2nd ionization energy should be selected from Al, Si, P and Cl.
Concept introduction:
Ionization energies generally increase from left to right across the period and decreasing from top to bottom within a group.
(d)
Interpretation:
The one with the largest ionization energy should be selected from C, Si and Sn.
Concept introduction:
Ionization energies generally increase from left to right across the period and decreasing from top to bottom within a group.
(e)
Interpretation:
The one with the largest electron should be selected from Na, B, Al and C
Concept introduction:
Move across a row in the periodic table, from left to right the values of the electron affinities become more negative and move across up a column, the values of electron affinities become more negative.
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