Where on the blank outline of the periodic table do elements that meet the following descriptions appear?
- (a) Elements with the valence-shell ground-state electron configuration ns2 np5
- (b) An element whose fourth shell contains two p electrons
- (c) An element with the ground-state electron configuration [Ar] 4s2 3d10 4p5
(a)
Interpretation:
Elements with the given valence shell electronic configuration has to be identified.
Explanation of Solution
Given valence shell electronic configuration,
Periodic table is given in figure 1.
Figure 1
The elements with the given valence shell electronic configuration are highlighted (Red color) in the below periodic table
Figure 2
(b)
Interpretation:
An element with fourth shell containing two
Explanation of Solution
Given valence shell electronic configuration,
Periodic table is given in figure 1.
Figure 1
An element with fourth shell contains two
Figure 3
(c)
Interpretation:
An element with given ground-state electronic configuration has to be identified.
Explanation of Solution
Given ground-state electronic configuration,
Calculate the total number of electrons
Periodic table is given in figure 1.
Figure 1
An element with fourth shell contains two
Figure 4
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Chapter 2 Solutions
General Chemistry: Atoms First
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