(a)
Interpretation:
The larger ion among the element of period 2, group 1; or the element of period 3, group 18 should be determined.
Concept introduction:
Atomic radii of atoms of elements down the group increase as
(a)
Answer to Problem 19PP
Element of period 2, group 1 that is
Explanation of Solution
As per modern periodic table, the element with period 2, group 1 is
In a period, as we move to the left, atomic radii decreases as new electrons by unity are added into the same principal energy level and there occurs no electrons between nucleus and valence electron for shielding. So
(b)
Interpretation:
The larger ion among the element of period 5, group 2; or the element of period 3, group 16 should be determined.
Concept introduction:
Atomic radii of atoms of elements down the group increase as
(b)
Answer to Problem 19PP
Element of period 5, group 2 that is
Explanation of Solution
As per modern periodic table, the element with period 5, group 2 is
In a period, as we move to the left, atomic radii decreases as new electrons by unity are added into the same principal energy level and there occurs no electrons between nucleus and valence electron for shielding, whereas as we go down the group, atomic size increases as nuclear charge on valence electron decreases due to new shell that is introduced between nucleus and valence electrons and hence the intervening electron. So,
(c)
Interpretation:
The larger ion among the element of period 3, group 14; or the element of period 6, group 15 should be determined.
Concept introduction:
Atomic radii of atoms of elements down the group increase as
(c)
Answer to Problem 19PP
The element of period 3, group 14 that is
Explanation of Solution
As per modern periodic table, the element with period 3, group 14 is
In a period, as we move to the left, atomic radii decreases as new electrons by unity are added into the same principal energy level and there occurs no electrons between nucleus and valence electron for shielding, whereas as we go down the group, atomic size increases as nuclear charge on valence electron decreases due to new shell that is introduced between nucleus and valence electrons and hence the intervening electron. So
(d)
Interpretation:
The larger ion among the element of period 4, group 18; or the element of period 2, group 16 should be determined.
Concept introduction:
Atomic radii of atoms of elements down the group increase as
(d)
Answer to Problem 19PP
The element of period 4, group 18 that is
Explanation of Solution
As per modern periodic table, the element with period 4, group 18 is
In a period, as we move to the left, atomic radii decreases as new electrons by unity are added into the same principal energy level and there occurs no electrons between nucleus and valence electron for shielding, whereas as we go down the group, atomic size increases as nuclear charge on valence electron decreases due to new shell that is introduced between nucleus and valence electrons and hence the intervening electron. So,
Chapter 6 Solutions
Glencoe Chemistry: Matter and Change, Student Edition
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