Which Period 4
- (a) Zn2+
- (b) Mn2+
- (c) Cr3+
- (d) Fe3+
(a)
Interpretation:
Transition metal ion from period 4 that is isoelectronic with
Concept Introduction:
Isoelectronic means same electronic configuration. An atom and an ion can be isoelectronic if they have same number of electrons in it. This is because the electronic configuration will be same. There will not be any change in atomic number or identity of the element or ion.
Explanation of Solution
Given ion is
Zinc atom loses two electrons to form
The electronic configuration of
In period 4, the transition metal ion that is isoelectronic with
Copper atom loses one electron to form
The electronic configuration of
As the electronic configuration of
(b)
Interpretation:
Transition metal ion from period 4 that is isoelectronic with
Concept Introduction:
Refer part (a).
Explanation of Solution
Given ion is
Manganese atom loses two electrons to form
The electronic configuration of
In period 4, the transition metal ion that is isoelectronic with
Iron atom loses three electrons to form
The electronic configuration of
As the electronic configuration of
(c)
Interpretation:
Transition metal ion from period 4 that is isoelectronic with
Concept Introduction:
Refer part (a).
Explanation of Solution
Given ion is
Chromium atom loses three electrons to form
The electronic configuration of
In period 4, the transition metal ion that is isoelectronic with
Vanadium atom loses two electrons to form
The electronic configuration of
As the electronic configuration of
(d)
Interpretation:
Transition metal ion from period 4 that is isoelectronic with
Concept Introduction:
Refer part (a).
Explanation of Solution
Given ion is
Iron atom loses three electrons to form
The electronic configuration of
In period 4, the transition metal ion that is isoelectronic with
Manganese atom loses two electrons to form
The electronic configuration of
As the electronic configuration of
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Chapter 20 Solutions
Chemistry: The Molecular Science
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