Homework Answers
The configuration that specifies the arrangement of electrons in the orbitals of an atom :
Ans: Electron configuration
Example:
The electron configuration of carbon is 1s22s22p2
The electrons in orbitals are filled according to Aufbau principle, Hund's rule and Pauli exclusion principle.
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What type of configuration specifies the arrangement of electrons in the orbitals of an atom? Multiple...
A diamagnetic atom or ion has no unpaired electrons in any of its orbitals, whereas a...
A diamagnetic atom or ion has no unpaired electrons in any of its orbitals, whereas a paramagnetic atom or ion has at least one unpaired electron in its orbitals. The more unpaired electrons, the more paramagnetic the atom or ion. What is the ground-state electron configuration for the V3 ion and is it paramagnetic or diamagnetic? [Ar] 4s 3d05s diamagnetic O [Kr] 5s, paramagnetic [Ar]4s 3d, paramagnetic [Ar] 4s, diamagnetic [Ar] 3d, paramagnetic
3. In the ground electronic state of Li atom, the electron configuration is 1s 2s'. If...
3. In the ground electronic state of Li atom, the electron configuration is 1s 2s'. If we neglect all the electron-electron repulsion, and assume all Li atomic orbitals follow those in hydrogenic atoms. Determine the energy (in eV) of the electron ground state: 1s2 2s1. Namely, the total energy of the 3 electrons in 1s 2s'. Check the end of chapter problem: E8C.2(a). 3. In the ground electronic state of Li atom, the electron configuration is 1s 2s1. If we...
3. The rule that the lowest-energy arrangement of electrons in a subshell is obtained by putting...
3. The rule that the lowest-energy arrangement of electrons in a subshell is obtained by putting electrons into separate orbitals of the subshell with the same spin before pairing electrons is called (the) a. Aufbau Principle b. Pauli Exclusion Principle C. Heisenberg's Uncertainty Pnnciple d. Hund's Rule e. Orbital Diagram 4. The "shorthand" electron configuration for bromine, atomic number 35, can be written as a. [Krj4s4p C. [Arjas®3d104p" d. [Arj4s 4p e. None of the above
"-8 Saved Which of the following atoms has the greatest shielding for its valence electrons? Multiple...
"-8 Saved Which of the following atoms has the greatest shielding for its valence electrons? Multiple Choice Ο all have the same amount of shielding all have Ο Ο Ο Ο How many total d - electrons does Mo+4 have? Write answer as a number NOT words. Numeric Response Saved Which effect explains why the atomic radius decreases left to right across a period? Multiple Choice Ο Increasing Zeff Ο Increase in inner electrons Ο Decrease in outer electrons Ο...
Answer the following questions about the hybrid orbitals on the phosphorus atom in the POCly and...
Answer the following questions about the hybrid orbitals on the phosphorus atom in the POCly and PCl3 molecules. What are the expected geometries of these molecules? Ignore any distortions in the geometry due to non-equivalent terminal atoms. POCI, Central atom=P Type of hybrid orbitals on the phosphorus atom Number of hybrid orbitals used in overlap with atomic orbitals = Number ofhybrid orbitals accomodating unshared electrons Hybrid orbital geometry Molecular geometry = PC13: Central atom = P Type of hybrid orbitals...
In the animation, you can see that the electrons occupy different orbitals according to the energy...
In the animation, you can see that the electrons occupy
different orbitals according to the energy level of each orbital. A
single box represents an orbital. The unpaired electron is
represented aswhereas the paired electrons in
the same orbital are represented by two arrows pointing in opposite
directions:. Watch the animation and
identify which of the following statements are correct.
Check all that apply.
The He atom has two electrons that have parallel spin in its
1s orbital.
In the...
Write the complete (from 1s) electron configuration for an element containing 28 electrons. Orbitals should be...
Write the complete (from 1s) electron configuration for an element containing 28 electrons. Orbitals should be in order of relative energy (lowest to highest). Write a shortand (using noble gas core) electron configuration for an element containing 83 electrons. Orbitals should be in order of relative energy (lowest to highest).
Write the condensed electron configuration of titanium. List the amount of unpaired electrons of atom of...
Write the condensed electron configuration of titanium. List
the amount of unpaired electrons of atom of titanium. List the
amount of valence electrons of atom of titanium.
13. (a) Write the condensed electron configuration for a ground state atom of titanium. (b) How many unpaired electrons does an atom of titanium possess? (c) How many valence electrons does an atom of titanium possess?
To get ground-state electron configuration, three rules are followed when electrons occupy atomic orbitals. Indicate which...
To get ground-state electron configuration, three rules are followed when electrons occupy atomic orbitals. Indicate which rule is violated by the following box diagram. Box diagram A box diagram B: Box diagram C: 2p 111 Box diagram D: box diagram A Choose) [Choose No rule is violated Pauli's exclusion principle lower energy orbitals must be filled before higher energy orbitals Hund's rule Box diagram B Box diagram [Choose] Box diagram D [Choose]
What is the valence shell? It is the outermost shell of electrons in an atom. It...
What is the valence shell? It is the outermost shell of electrons in an atom. It is the same as the orbital configuration. It is the last partially filled orbital in an atom. It is the shell of electrons in element V (atomic no. = 23) It is the shell of electrons in an atom that is the least reactive.
A diamagnetic atom or ion has no unpaired electrons in any of its orbitals, whereas a paramagnetic atom or ion has at least one unpaired electron in its orbitals. The more unpaired electrons, the more paramagnetic the atom or ion. What is the ground-state electron configuration for the V3 ion and is it paramagnetic or diamagnetic? [Ar] 4s 3d05s diamagnetic O [Kr] 5s, paramagnetic [Ar]4s 3d, paramagnetic [Ar] 4s, diamagnetic [Ar] 3d, paramagnetic
3. In the ground electronic state of Li atom, the electron configuration is 1s 2s'. If we neglect all the electron-electron repulsion, and assume all Li atomic orbitals follow those in hydrogenic atoms. Determine the energy (in eV) of the electron ground state: 1s2 2s1. Namely, the total energy of the 3 electrons in 1s 2s'. Check the end of chapter problem: E8C.2(a). 3. In the ground electronic state of Li atom, the electron configuration is 1s 2s1. If we...
3. The rule that the lowest-energy arrangement of electrons in a subshell is obtained by putting electrons into separate orbitals of the subshell with the same spin before pairing electrons is called (the) a. Aufbau Principle b. Pauli Exclusion Principle C. Heisenberg's Uncertainty Pnnciple d. Hund's Rule e. Orbital Diagram 4. The "shorthand" electron configuration for bromine, atomic number 35, can be written as a. [Krj4s4p C. [Arjas®3d104p" d. [Arj4s 4p e. None of the above
"-8 Saved Which of the following atoms has the greatest shielding for its valence electrons? Multiple Choice Ο all have the same amount of shielding all have Ο Ο Ο Ο How many total d - electrons does Mo+4 have? Write answer as a number NOT words. Numeric Response Saved Which effect explains why the atomic radius decreases left to right across a period? Multiple Choice Ο Increasing Zeff Ο Increase in inner electrons Ο Decrease in outer electrons Ο...
Answer the following questions about the hybrid orbitals on the phosphorus atom in the POCly and PCl3 molecules. What are the expected geometries of these molecules? Ignore any distortions in the geometry due to non-equivalent terminal atoms. POCI, Central atom=P Type of hybrid orbitals on the phosphorus atom Number of hybrid orbitals used in overlap with atomic orbitals = Number ofhybrid orbitals accomodating unshared electrons Hybrid orbital geometry Molecular geometry = PC13: Central atom = P Type of hybrid orbitals...
In the animation, you can see that the electrons occupy
different orbitals according to the energy level of each orbital. A
single box represents an orbital. The unpaired electron is
represented aswhereas the paired electrons in
the same orbital are represented by two arrows pointing in opposite
directions:. Watch the animation and
identify which of the following statements are correct.
Check all that apply.
The He atom has two electrons that have parallel spin in its
1s orbital.
In the...
Write the complete (from 1s) electron configuration for an element containing 28 electrons. Orbitals should be in order of relative energy (lowest to highest). Write a shortand (using noble gas core) electron configuration for an element containing 83 electrons. Orbitals should be in order of relative energy (lowest to highest).
Write the condensed electron configuration of titanium. List
the amount of unpaired electrons of atom of titanium. List the
amount of valence electrons of atom of titanium.
13. (a) Write the condensed electron configuration for a ground state atom of titanium. (b) How many unpaired electrons does an atom of titanium possess? (c) How many valence electrons does an atom of titanium possess?
To get ground-state electron configuration, three rules are followed when electrons occupy atomic orbitals. Indicate which rule is violated by the following box diagram. Box diagram A box diagram B: Box diagram C: 2p 111 Box diagram D: box diagram A Choose) [Choose No rule is violated Pauli's exclusion principle lower energy orbitals must be filled before higher energy orbitals Hund's rule Box diagram B Box diagram [Choose] Box diagram D [Choose]
What is the valence shell? It is the outermost shell of electrons in an atom. It is the same as the orbital configuration. It is the last partially filled orbital in an atom. It is the shell of electrons in element V (atomic no. = 23) It is the shell of electrons in an atom that is the least reactive.
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