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Concept explainers
(a)
Interpretation:
The block of Gd has to be identified.
Concept Introduction:
The electronic configuration is the distribution of electrons in various atomic orbitals of the atom. The electrons that are present in the outermost orbital are known as valence electrons whereas those present in the orbitals with lower quantum numbers are called core electrons. The condensed electronic configuration is the shorthand notation where inner shell configurations are written in the form of the nearest noble gas configuration and the valence shell configuration is written in the expanded configuration.
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:
1s<2s<2p<3s<3p<4s<3d<4p<5s<4d<5p<6s<4f<5d<6p<7s
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.
(b)
Interpretation:
The block of Ir has to be identified.
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
The block of As has to be identified.
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
The block of Sc has to be identified.
Concept Introduction:
Refer to part (a).
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Chapter 8 Solutions
Chemistry: Principles and Practice
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- A mixture of 0.568 M H₂O, 0.438 M Cl₂O, and 0.710 M HClO are enclosed in a vessel at 25 °C. H₂O(g) + C₁₂O(g) = 2 HOCl(g) K = 0.0900 at 25°C с Calculate the equilibrium concentrations of each gas at 25 °C. [H₂O]= [C₁₂O]= [HOCI]= M Σ Marrow_forwardWhat units (if any) does the response factor (K) have? Does the response factor (K) depend upon how the concentration is expressed (e.g. molarity, ppm, ppb, etc.)?arrow_forwardProvide the structure, circle or draw, of the monomeric unit found in the biological polymeric materials given below. HO OH amylose OH OH 행 3 HO cellulose OH OH OH Ho HOarrow_forward
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