Podcast
Questions and Answers
What is the effect of electrons close to the atom (n-2 or lower) on shielding?
What is the effect of electrons close to the atom (n-2 or lower) on shielding?
- They have a complex interaction with the electron of interest
- They completely negate the shielding (correct)
- They have no effect on the shielding constant
- They increase the shielding constant
What is the Slater Rule used for in calculating the shielding constant?
What is the Slater Rule used for in calculating the shielding constant?
- To calculate the shielding constant for a specific electron (correct)
- To calculate the effective nuclear charge of an atom
- To determine the electron configuration of an atom
- To determine the type of electron in an atom
What is the significance of the electron configuration of an atom in shielding calculations?
What is the significance of the electron configuration of an atom in shielding calculations?
- It is used to determine the shielding constant for a specific electron
- It is used to identify the electron of interest in shielding calculations (correct)
- It is used to determine the type of electron of interest
- It is used to calculate the effective nuclear charge of an atom
What is the effect of the 2s and 2p electrons on the shielding constant of a 2p electron in a nitrogen atom?
What is the effect of the 2s and 2p electrons on the shielding constant of a 2p electron in a nitrogen atom?
Why are the electrons to the right of the 3d electrons in the electron configuration of a bromine atom ignored in shielding calculations?
Why are the electrons to the right of the 3d electrons in the electron configuration of a bromine atom ignored in shielding calculations?
What is the formula for calculating the effective nuclear charge (Zeff) of an atom?
What is the formula for calculating the effective nuclear charge (Zeff) of an atom?
What is the purpose of calculating the shielding constant (S) in atomic physics?
What is the purpose of calculating the shielding constant (S) in atomic physics?
What is the significance of the shielding constant (S) in the calculation of the effective nuclear charge (Zeff) of an atom?
What is the significance of the shielding constant (S) in the calculation of the effective nuclear charge (Zeff) of an atom?
What is the primary reason for the increase in radius of an atom when it gains an electron to become an anion?
What is the primary reason for the increase in radius of an atom when it gains an electron to become an anion?
According to Linus Pauling's method, what is the significance of Δ Bond Energies being zero?
According to Linus Pauling's method, what is the significance of Δ Bond Energies being zero?
What is the relationship between the charge on the ion and its radius?
What is the relationship between the charge on the ion and its radius?
What is the primary factor that determines the number of electrons that can be misplaced or gained to form ions?
What is the primary factor that determines the number of electrons that can be misplaced or gained to form ions?
What is the trend observed in the size of an atom or ion as the atomic number increases in a given period of the Periodic Table?
What is the trend observed in the size of an atom or ion as the atomic number increases in a given period of the Periodic Table?
What is the result of a polar molecule forming when the electronegativities of X and Y are not similar?
What is the result of a polar molecule forming when the electronegativities of X and Y are not similar?
What is the significance of the equations (1) and (4) in the text?
What is the significance of the equations (1) and (4) in the text?
What is the primary purpose of Linus Pauling's method of explaining electronegativity?
What is the primary purpose of Linus Pauling's method of explaining electronegativity?
What is the term used to describe atoms and ions with the same electron configuration?
What is the term used to describe atoms and ions with the same electron configuration?
Which of the following isoelectronic series has the electron configuration [Ne]3s23p6?
Which of the following isoelectronic series has the electron configuration [Ne]3s23p6?
What determines the size of isoelectronic atoms and ions?
What determines the size of isoelectronic atoms and ions?
What is the main difference between the Mulliken scale and the Pauling scale of electronegativity?
What is the main difference between the Mulliken scale and the Pauling scale of electronegativity?
Why does the atomic size of Ge decrease compared to Si?
Why does the atomic size of Ge decrease compared to Si?
What is the term used to describe the energy required to remove the most loosely bound electron from a gaseous atom in its ground state?
What is the term used to describe the energy required to remove the most loosely bound electron from a gaseous atom in its ground state?
What is the significance of the Mulliken definition of electronegativity?
What is the significance of the Mulliken definition of electronegativity?
Why is it easier to remove the most loosely bound electron from larger atoms?
Why is it easier to remove the most loosely bound electron from larger atoms?
What is the basis of the Allred-Rochow Electronegativity?
What is the basis of the Allred-Rochow Electronegativity?
What is the process of removing electrons from atoms or ions?
What is the process of removing electrons from atoms or ions?
What is the purpose of Slater's rules?
What is the purpose of Slater's rules?
Why do ionization energy values (IE) always have a positive sign?
Why do ionization energy values (IE) always have a positive sign?
Why is the Mulliken electronegativity considered a better indicator of an atom's ability to draw electrons toward itself in bonding?
Why is the Mulliken electronegativity considered a better indicator of an atom's ability to draw electrons toward itself in bonding?
What can be said about the correlation between the Mulliken and Pauling electronegativities?
What can be said about the correlation between the Mulliken and Pauling electronegativities?
What is a limitation of the Allred-Rochow Electronegativity?
What is a limitation of the Allred-Rochow Electronegativity?
What is the main purpose of discussing the different electronegativity scales?
What is the main purpose of discussing the different electronegativity scales?
How does effective nuclear charge, $Z_{ ext{eff}}$, change as one moves from left to right across a period?
How does effective nuclear charge, $Z_{ ext{eff}}$, change as one moves from left to right across a period?
What major factor explains why atoms with more electrons can have smaller atomic radii?
What major factor explains why atoms with more electrons can have smaller atomic radii?
Which electrons are most effective at shielding outer electrons from the nucleus?
Which electrons are most effective at shielding outer electrons from the nucleus?
Why do outermost electrons have higher energies and are easier to remove?
Why do outermost electrons have higher energies and are easier to remove?
What happens to the atomic radius as one moves down a group in the periodic table?
What happens to the atomic radius as one moves down a group in the periodic table?
Which elements experience a stronger pull on their electrons, leading to smaller covalent radii?
Which elements experience a stronger pull on their electrons, leading to smaller covalent radii?
When representative elements form cations, which electrons do they predominantly lose?
When representative elements form cations, which electrons do they predominantly lose?
How is shielding determined for a given electron?
How is shielding determined for a given electron?
