Concept explainers
(a)
Interpretation:
The cation with the electron configuration
Concept Introduction:
The electronic configuration is defined as the distribution of electrons in various atomic orbitals of the atom. The electrons that are present in an outermost orbital are known as valence electrons whereas those present in the orbitals with lower quantum numbers are called core electrons. The general outer electronic configuration of
Electrons are filled in orbitals in accordance with three rules: Aufbau principle, Hund’s rule, and Pauli’s exclusion principle. Aufbau principle states that electrons are filled in the orbitals from lower to higher energy level as follows:
Hund’s rule states that initially each orbital is singly occupied and then pairing occurs and Pauli’s exclusion principle states that the spin of two electrons in one orbital is always different.
(a)
Explanation of Solution
The electron configuration of the given ion is
(b)
Interpretation:
The cation with the electron configuration
Concept Introduction:
Refer to part (a).
(b)
Explanation of Solution
The electron configuration of the given ion is
(c)
Interpretation:
The cation with the electron configuration
Concept Introduction:
Refer to part (a).
(c)
Explanation of Solution
The electron configuration of the given ion is
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Chapter 8 Solutions
Chemistry
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- . (2) Which of the following electron configurations corresponds to the ground state of anatom of an alkaline earth metal element?1s22s22p5 1s22s22p63s23p64s23d104p2 1s22s22p63s23p64s23d104p65s11s22s22p63s23p64s23d7 1s22s22p63s23p64s2 1s22s22p63s23p1arrow_forwardGive the ground state electron configuration for F⁻. A) 1s22s22p6 B) 1s22s22p5 C) 1s22s22p4 D) 1s22s22p3 E) 1s22s22p2arrow_forward10. Identify the elements (two of these are irregular, so pay close attention).(a) 1s22s22p63s23p64s23d104p65s24d5 (b) [Xe]6s24f145d106p5(c) 1s22s22p63s23p64s23d104p65s24d105p66s14f145d10 (d) [Rn]7s25f76d1arrow_forward
- Ne has a 1s22s22p6 electron configuration. Explain and illustrate using the AO-theory how it ispossible to arrange the 6 p-electrons (that repulse each other) around Ne.arrow_forwardThe ground-state electron configuration of calcium is (a) 1s22s22p63s2 (b) 1s22s22p63s23p64s2 (c) 1s22s22p63s2 (d) [Ne]4s2arrow_forward5 Select the correct electron configuration for Te. Group of answer choices [Kr]5s25p64d8 [Kr]5s25d105p4 [Kr]5s24d105p6 [Kr]5s24f14 [Kr]5s24d105p4arrow_forward
- 2. Which of the following represents the ground state electron configuration for the Cr3+ ion? (Atomic number Cr = 24) (A) 1s2 2s22p6 3s23p63d3(B) 1s2 2s22p6 3s23p63d5 4s1(C) 1s2 2s22p6 3s23p63d1 4s2(D) 1s2 2s22p6 3s23p63d4 4s2(E) 1s2 2s22p6 3s23p63d2 4s1arrow_forwardWhich one of the following configurations depicts an excited oxygen atom? A) 1s22s22p2 B) 1s22s22p23s2 C) 1s22s22p1 D) 1s22s22p4 E) [He]2s22p4arrow_forwardWhich is the correct electron configuration for Mn? ls22s22p63s23p64s23d5 ls22s22p63s23p64s24p5 ls22s22p62d103s23p3 ls22s22p63s63d9arrow_forward
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