Concept explainers
Interpretation:
The formation of cations of Scandium from orbital notation needs to be explained.
Concept introduction:
The electronic configuration of elements indicates the filling of electrons in different energy levels based on its
Answer to Problem 59A
Scandium can form
Explanation of Solution
The element Scandium belongs to group 3. Its atomic number is 21. The electronic configuration is
Its orbital notation is given as
Figure 1
From the orbital notation, it can be seen that the outermost electrons are in 4s and 3d. The force of attraction between nucleus and these outermost electrons is decreased due to the shielding effect of the other energy shells. Hence, this element can easily let go of the 3 valence electrons. Hence, Scandium will give up 3 electrons to form
Scandium can form
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