TQ14:Allowed values for the quantum numbers of electrons are as follows: = 1,2,3,... 10, 1, 2, 3,....-1 m = 0, 1, 2, .... Relative to the subshells, 10 corresponds to an s subshell I=1 corresponds to a p subshell 1=2 corresponds to a d subshell 1=3 corresponds to an / subshell For the K shell, the four quantum numbers for each of the two electrons in the 1s state, in the order of nim.m, are 100(2) and 100(-) 100(-1/2) - Write the four quantum numbers for all the electrons in the L and M shells, and note which correspond to the s. p. and d subshells. TQ15:(a) Cite two important quantum-mechanical concepts associated with the Bohr model of the atom. (b) Cite two important additional refinements that resulted from the wave-mechanical atomic model. TQ16:Give the electron configurations for the following ions: P, P, Sn", Se, I, Ni, P and p. TQ17:Without using the periodic table, determine whether each of the following electron configurations is an inert gas, a halogen, an alkali metal, an alkaline earth metal, or a transition metal. Justify your choices. (a) 1s 2s 2p 3s3p (b) 1s 2s 2p 3s3p°3d°45° (c) 1s¯2s2p°3s°3p°3d'˚4s¯4p° (d) Is°2s/2p°3s¯3p°4s' (e) 1s 2s 2p 3s 3p 3d 4s 4p 4d 5s () 122p3s TQ18:(a) Briefly cite the main differences among ionic, covalent, and metallic bonding. (b) State the Pauli exclusion principle. TQ19:Determine the number of covalent bonds that are possible for atoms of the following elements: germanium, phosphorus, selenium, and chlorine. 1920 Compute the percentage ionic character of the interatomic bonds for TiO, and ZnTe using the periodic table of electronegativity below.
TQ14:Allowed values for the quantum numbers of electrons are as follows: = 1,2,3,... 10, 1, 2, 3,....-1 m = 0, 1, 2, .... Relative to the subshells, 10 corresponds to an s subshell I=1 corresponds to a p subshell 1=2 corresponds to a d subshell 1=3 corresponds to an / subshell For the K shell, the four quantum numbers for each of the two electrons in the 1s state, in the order of nim.m, are 100(2) and 100(-) 100(-1/2) - Write the four quantum numbers for all the electrons in the L and M shells, and note which correspond to the s. p. and d subshells. TQ15:(a) Cite two important quantum-mechanical concepts associated with the Bohr model of the atom. (b) Cite two important additional refinements that resulted from the wave-mechanical atomic model. TQ16:Give the electron configurations for the following ions: P, P, Sn", Se, I, Ni, P and p. TQ17:Without using the periodic table, determine whether each of the following electron configurations is an inert gas, a halogen, an alkali metal, an alkaline earth metal, or a transition metal. Justify your choices. (a) 1s 2s 2p 3s3p (b) 1s 2s 2p 3s3p°3d°45° (c) 1s¯2s2p°3s°3p°3d'˚4s¯4p° (d) Is°2s/2p°3s¯3p°4s' (e) 1s 2s 2p 3s 3p 3d 4s 4p 4d 5s () 122p3s TQ18:(a) Briefly cite the main differences among ionic, covalent, and metallic bonding. (b) State the Pauli exclusion principle. TQ19:Determine the number of covalent bonds that are possible for atoms of the following elements: germanium, phosphorus, selenium, and chlorine. 1920 Compute the percentage ionic character of the interatomic bonds for TiO, and ZnTe using the periodic table of electronegativity below.
Understanding Motor Controls
4th Edition
ISBN:9781337798686
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter44: Semiconductors
Section: Chapter Questions
Problem 2RQ: The atoms of a material used as an insulator generally contain ___________ valence electrons.
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Question
Transcribed Image Text:TQ14:Allowed values for the quantum numbers of electrons are as follows:
= 1,2,3,...
10, 1, 2, 3,....-1
m = 0, 1, 2, ....
Relative to the subshells,
10 corresponds to an s subshell
I=1 corresponds to a p subshell
1=2 corresponds to a d subshell
1=3 corresponds to an / subshell
For the K shell, the four quantum numbers for each of the two electrons in the 1s state, in the order of
nim.m, are 100(2) and 100(-)
100(-1/2) -
Write the four quantum numbers for all the electrons in the L and M shells, and note which correspond to the
s. p. and d subshells.
TQ15:(a) Cite two important quantum-mechanical concepts associated with the Bohr model of the atom. (b) Cite two
important additional refinements that resulted from the wave-mechanical atomic model.
TQ16:Give the electron configurations for the following ions: P, P, Sn", Se, I, Ni, P and p.
TQ17:Without using the periodic table, determine whether each of the following electron configurations is an inert
gas, a halogen, an alkali metal, an alkaline earth metal, or a transition metal. Justify your choices.
(a) 1s 2s 2p 3s3p (b) 1s 2s 2p 3s3p°3d°45° (c) 1s¯2s2p°3s°3p°3d'˚4s¯4p° (d) Is°2s/2p°3s¯3p°4s'
(e) 1s 2s 2p 3s 3p 3d 4s 4p 4d 5s () 122p3s
TQ18:(a) Briefly cite the main differences among ionic, covalent, and metallic bonding.
(b) State the Pauli exclusion principle.
TQ19:Determine the number of covalent bonds that are possible for atoms of the following elements: germanium,
phosphorus, selenium, and chlorine.
1920 Compute the percentage ionic character of the interatomic bonds for TiO, and ZnTe using the periodic table
of electronegativity below.
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