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प्रश्न
Use the periodic table to answer the following question.
Identify an element with five electrons in the outer subshell.
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उत्तर
The electronic configuration of an element having 5 electrons in its outermost subshell should be ns2np3. This is the electronic configuration of the halogen group. Thus, elements in this group include nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi).
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संबंधित प्रश्न
Write the atomic number of the element present in the third period and a seventeenth group of the periodic table.
Use the periodic table to answer the following question.
Identify an element that would tend to lose two electrons.
Assign the position of the element having an outer electronic configuration in the periodic table.
(n - 1)d2 ns2 for n = 4
Assign the position of the element having an outer electronic configuration in the periodic table.
(n - 2) f7 (n - 1)d1 ns2 for n = 6
Write the outer electronic configuration of the following using the orbital notation method. Justify.
Ge (belongs to period 4 and group 14)
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La belongs to group 3 while Hg belongs to group 12 and both belong to period 6 of the periodic table. Write down the general outer electronic configuration of the ten elements from La to Hg together using the orbital notation method.
Consider the oxides Li2O, CO2, B2O3.
Which oxide would you expect to be the most basic?
Which of the following sets contain only isoelectronic ions?
(i) \[\ce{Zn^{2+}, Ca^{2+}, Ga^{3+}, Al^{3+}}\]
(ii) \[\ce{K+ , Ca^{2+}, Sc^{3+}, Cl-}\]
(iii) \[\ce{P^{3-}, S^{2-}, Cl- , K+}\]
(iv) \[\ce{Ti^{4+}, Ar, Cr^{3+}, V^{5+}}\]
Identify the group and valency of the element having atomic number 119. Also predict the outermost electronic configuration and write the general formula of its oxide.
Justify the given statement with suitable examples— “the Properties of the elements are a periodic function of their atomic numbers”.
Write down the outermost electronic configuration of alkali metals. How will you justify their placement in group 1 of the periodic table?
The electronic configuration of Pt (atomic number 78) is ______.
E.N. of Si is ______. (Covalent radius of Si = 1.175 Å)
The IUPAC nomenclature of an element with electronic configuration [Rn] 5f146d17s2 is ______.
