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The energy required to pull the most loo...

The energy required to pull the most loosely bound electron form an atom is known as ionizatino potential it is expressed in electron volts. The value of ionization potntial depends on three factors: (i) the charge on the nucleus (ii) the atomic radius and (iii) the screening effect of inner electron shells.
Q. Ionization potential of Na would be numerically the same as:

A

electron affinity of `Na^(+)`

B

electronegativity of `Na^(+)`

C

electron affinity of Na

D

ionization potential of Mg

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The correct Answer is:
To determine which value the ionization potential of sodium (Na) would be numerically the same as, we need to consider the relationship between ionization potential and electron affinity. ### Step-by-Step Solution: 1. **Understanding Ionization Potential**: - Ionization potential (or ionization energy) is the energy required to remove the most loosely bound electron from an atom. For sodium, this involves removing one electron from its outermost shell. 2. **Understanding Electron Affinity**: - Electron affinity is the energy change that occurs when an electron is added to a neutral atom to form a negative ion. For sodium, this would involve adding an electron to Na+ (sodium ion) to form Na. 3. **Relationship Between Ionization Potential and Electron Affinity**: - The ionization potential of an atom is numerically equal to the negative of the electron affinity of its corresponding ion. This means that the energy required to remove an electron (ionization potential) is equal in magnitude but opposite in sign to the energy released when an electron is added to the ion. 4. **Identifying the Correct Ion**: - For sodium (Na), when we consider its ionization potential, we can look at the electron affinity of Na+. The process of removing an electron from Na is similar to adding an electron to Na+, thus they are numerically equal. 5. **Conclusion**: - Therefore, the ionization potential of sodium (Na) would be numerically the same as the electron affinity of Na+. ### Final Answer: The ionization potential of Na would be numerically the same as the electron affinity of Na+.
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The energy required to pull the most loosely bound electrons from an atom is known as ionization potential. It is expressed in electron volts. The value of ionization potential depends on three factors :(i) the charge on the nucleus (ii) the atomic radius and (iii) the screening effect of inner electron shells. Ionization potential of Na would be numerically the same as

The energy required to pull the most loosely bound electron form an atom is known as ionizatino potential it is expressed in electron volts. The value of ionization potntial depends on three factors: (i) the charge on the nucleus (ii) the atomic radius and (iii) the screening effect of inner electron shells. Q. Incorrect order of ionisation energy is:

The energy required to pull the most loosely bound electron form an atom is known as ionizatino potential it is expressed in electron volts. The value of ionization potntial depends on three factors: (i) the charge on the nucleus (ii) the atomic radius and (iii) the screening effect of inner electron shells. Q. Incorrect order of ionisation energy is:

The energy required to pull the most loosely bound electron form an atom is known as ionizatino potential it is expressed in electron volts. The value of ionization potntial depends on three factors: (i) the charge on the nucleus (ii) the atomic radius and (iii) the screening effect of inner electron shells. Q. Which of the following elements has the least ionization potential?

The energy required to pull the most loosely bound electron form an atom is known as ionizatino potential it is expressed in electron volts. The value of ionization potntial depends on three factors: (i) the charge on the nucleus (ii) the atomic radius and (iii) the screening effect of inner electron shells. Q. Which of the following elements has the least ionization potential?

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Nuclear charge actually experienced by an electron is termed as effective nuclear charge. The effective nuclear charge Z^(**) actuall ydepends on type of shell and orbital in which electron is actually present. The relative extent to which the various orbitals penetrate the electron clouds of other orbitals is s gt p gt d gt f (for the same value of n) The phenomenon in which penultimate shell electrons act as screen or sheild in between nucleus and valence shell electrons and thereby reducing nuclear charge is known as shielding effect. the penultimate shell electrons repel the valence shell electron to keep them loosely held with nucleus. it is thus evident that more is the shielding effect, lesser is the effective nuclear charge and lesser is the ionization energy. Q. Which of the following valence electron experience maximum effective nuclear charge?

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