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Questions and Answers
What is the effect of increasing the size of the charges on the interaction between them?
What is the effect of increasing the size of the charges on the interaction between them?
- The strength of the interaction decreases
- The strength of the interaction remains the same
- The strength of the interaction becomes zero
- The strength of the interaction increases (correct)
What is the effective nuclear charge of a 2s1 electron in the ground state of Lithium?
What is the effective nuclear charge of a 2s1 electron in the ground state of Lithium?
- A charge closer to +1 (correct)
- A charge closer to +2
- A charge of zero
- The full +3 charge of the protons
Which of the following is true about shielding by electrons in the same energy level?
Which of the following is true about shielding by electrons in the same energy level?
- They shield each other to some extent (correct)
- They only shield inner electrons
- They completely shield each other
- They do not shield each other at all
Why does the effective nuclear charge (Zeff) decrease as the distance from the nucleus increases?
Why does the effective nuclear charge (Zeff) decrease as the distance from the nucleus increases?
What is the result of the orbital shape of certain electrons?
What is the result of the orbital shape of certain electrons?
Which of the following is a result of penetration?
Which of the following is a result of penetration?
What is the electron configuration of the main group s-block metals and Aluminum when they lose electrons to attain a noble gas configuration?
What is the electron configuration of the main group s-block metals and Aluminum when they lose electrons to attain a noble gas configuration?
Which of the following elements is known to form an anion by gaining electrons to attain a noble gas configuration?
Which of the following elements is known to form an anion by gaining electrons to attain a noble gas configuration?
What is the magnetic behavior of a species with all its electrons paired?
What is the magnetic behavior of a species with all its electrons paired?
What happens to the apparent mass of a paramagnetic substance when it is placed in a magnetic field?
What happens to the apparent mass of a paramagnetic substance when it is placed in a magnetic field?
What is the order of electron loss in transition (d-block) metals?
What is the order of electron loss in transition (d-block) metals?
Which of the following elements exhibits paramagnetism due to the presence of unpaired electrons?
Which of the following elements exhibits paramagnetism due to the presence of unpaired electrons?
Which type of orbital penetrates the nucleus the best?
Which type of orbital penetrates the nucleus the best?
How does the penetration of 2p electrons compare to 2s electrons?
How does the penetration of 2p electrons compare to 2s electrons?
Which sublevel experiences a greater attractive force to the nucleus due to deeper penetration?
Which sublevel experiences a greater attractive force to the nucleus due to deeper penetration?
In a multielectron atom, what energy order is correct for the sublevels 3p, 3s, and 3d?
In a multielectron atom, what energy order is correct for the sublevels 3p, 3s, and 3d?
What energy inversion may occur between the 4s and 3d sublevels in certain atoms?
What energy inversion may occur between the 4s and 3d sublevels in certain atoms?
How does nuclear attraction change with increased penetration and decreased shielding?
How does nuclear attraction change with increased penetration and decreased shielding?
What is the primary purpose of indicating the value of the principal quantum number n in an electron configuration?
What is the primary purpose of indicating the value of the principal quantum number n in an electron configuration?
In an orbital diagram, what does an arrow pointing up represent?
In an orbital diagram, what does an arrow pointing up represent?
What is the result of paired electrons occupying the same orbital?
What is the result of paired electrons occupying the same orbital?
What is the number of electrons in the 1s sublevel in the ground state of a hydrogen atom?
What is the number of electrons in the 1s sublevel in the ground state of a hydrogen atom?
What is the type of orbital that is occupied by electrons in the n = 3 level?
What is the type of orbital that is occupied by electrons in the n = 3 level?
What is the purpose of writing an electron configuration?
What is the purpose of writing an electron configuration?
What is the primary characteristic of inner electrons in an atom?
What is the primary characteristic of inner electrons in an atom?
According to the periodic table, what is the value of n for the outermost s and p sublevels in a given period?
According to the periodic table, what is the value of n for the outermost s and p sublevels in a given period?
What is the main reason why outer electrons are involved in chemical bonding?
What is the main reason why outer electrons are involved in chemical bonding?
What is the correlation between the outer electron configuration of elements in the same group and their chemical behavior?
What is the correlation between the outer electron configuration of elements in the same group and their chemical behavior?
What is the relationship between the period number and the n value of the outermost d sublevel in the periodic table?
What is the relationship between the period number and the n value of the outermost d sublevel in the periodic table?
What is the significance of the noble gas configuration in the electron configuration of elements?
What is the significance of the noble gas configuration in the electron configuration of elements?
Which electron configuration is a valid possibility for helium's excited state?
Which electron configuration is a valid possibility for helium's excited state?
How many electrons are present in the 1s orbital of a Ne atom?
How many electrons are present in the 1s orbital of a Ne atom?
Which of the following ions has a ground state electron configuration of 1s0?
Which of the following ions has a ground state electron configuration of 1s0?
In the orbital diagram for fluorine, which set of quantum numbers would correspond to the third electron?
In the orbital diagram for fluorine, which set of quantum numbers would correspond to the third electron?
What is the likely electron configuration of the valence electron in a F atom?
What is the likely electron configuration of the valence electron in a F atom?
If an He atom was ionized to form He2+, how many electrons have been removed?
If an He atom was ionized to form He2+, how many electrons have been removed?
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