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Find the electronegativity of lead with ...

Find the electronegativity of lead with the help of the given valus. Screening consitant `(sigma)` of `Pb = 76.70`. Atomic number of lead `= 82` and covalent radius of `Pb = 5.3 Å`

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To find the electronegativity of lead (Pb) using the given values, we can follow these steps: ### Step 1: Write down the given values - Screening constant (σ) of Pb = 76.70 - Atomic number (Z) of Pb = 82 - Covalent radius of Pb = 5.3 Å ### Step 2: Calculate the effective nuclear charge (Z effective) ...
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A sphere of lead of mass 10 g has net charge -25 xx 10^(-9)C . (i) Find the number of excess electrons on the sphere. (ii) How many excess electrons are per lead atom ? Atomic number of lead is 82 and its atomic mass is 207 g/mol.

Mulliken defined the electronegativity of an atom as the arithmetic mean of its ionisation energy and electron affinity. X_(A)=(1)/(2)(I.P.+E.A.) One more relationship given by him, if the values are given in eV is X_(A)=("Ionisation potential"+ "Electron affinity")/(5.6) When there is pure covalent bond between A-B ((IP)_(A)+(EA)_(A))/(5.6)=((IP)_(B)+(EA)_(B))/(5.6) implies X_(A)=X_(B) Pauling's Electronegativity scale is based on

Mulliken defined the electronegativity of an atom as the arithmetic mean of its ionisation energy and electron affinity. X_(A)=(1)/(2)(I.P.+E.A.) One more relationship given by him, if the values are given in eV is X_(A)=("Ionisation potential"+ "Electron affinity")/(5.6) When there is pure covalent bond between A-B ((IP)_(A)+(EA)_(A))/(5.6)=((IP)_(B)+(EA)_(B))/(5.6) implies X_(A)=X_(B) According to Mulliken, electronegativity depends on

Mulliken defined the electronegativity of an atom as the arithmetic mean of its ionisation energy and electron affinity. X_(A)=(1)/(2)(I.P.+E.A.) One more relationship given by him, if the values are given in eV is X_(A)=("Ionisation potential"+ "Electron affinity")/(5.6) When there is pure covalent bond between A-B ((IP)_(A)+(EA)_(A))/(5.6)=((IP)_(B)+(EA)_(B))/(5.6) implies X_(A)=X_(B) When there is formation of overset(delta-)(A)-overset(delta+)(B) bond then condition will be

J.C. Slater proposed an empirical constant that represents the cumulative extent to which the other electrons of an atom shield (or screen) any particular electron from the nuclear charge. Thus, slater's screening contant sigma is as : Z^(**)=Z-sigma Here, Z is the atomic number of the atom, and hence is equal to the actual number of protons in the atom. the parameter Z^(**) is the effective nuclear charge, which according to is smaller than Z, since the electron in question is screened (shielded) from Z by an amount sigma . Conversely, an electron that is well shielded from the nuclear charge Z experiences a small effective nuclear charge Z^(**) . The value of sigma for any one electron in a given electron configuration (i.e., in the presence of the other electrons of the atom in question) is calculated using a set of empirical rules developed by slater. according to these rules, the value of sigma for the electron in question is the cumulative total provided by the various other electrons of the atom. Q. Which of the following statement is correct?

J.C. Slater proposed an empirical constant that represents the cumulative extent to which the other electrons of an atom shield (or screen) any particular electron from the nuclear charge. Thus, slater's screening contant sigma is as : Z^(**)=Z-sigma Here, Z is the atomic number of the atom, and hence is equal to the actual number of protons in the atom. the parameter Z^(**) is the effective nuclear charge, which according to is smaller than Z, since the electron in question is screened (shielded) from Z by an amount sigma . Conversely, an electron that is well shielded from the nuclear charge Z experiences a small effective nuclear charge Z^(**) . The value of sigma for any one electron in a given electron configuration (i.e., in the presence of the other electrons of the atom in question) is calculated using a set of empirical rules developed by slater. according to these rules, the value of sigma for the electron in question is the cumulative total provided by the various other electrons of the atom. Q. The effective nuclear charge at the periphery of chromium atom [Z=24]:

J.C. Slater proposed an empirical constant that represents the cumulative extent to which the other electrons of an atom shield (or screen) any particular electron from the nuclear charge. Thus, slater's screening contant sigma is as : Z^(**)=Z-sigma Here, Z is the atomic number of the atom, and hence is equal to the actual number of protons in the atom. the parameter Z^(**) is the effective nuclear charge, which according to is smaller than Z, since the electron in question is screened (shielded) from Z by an amount sigma . Conversely, an electron that is well shielded from the nuclear charge Z experiences a small effective nuclear charge Z^(**) . The value of sigma for any one electron in a given electron configuration (i.e., in the presence of the other electrons of the atom in question) is calculated using a set of empirical rules developed by slater. according to these rules, the value of sigma for the electron in question is the cumulative total provided by the various other electrons of the atom. Q. The effective nuclear charge at the periphery of chromium atom [Z=24]:

J.C. Slater proposed an empirical constant that represents the cumulative extent to which the other electrons of an atom shield (or screen) any particular electron from the nuclear charge. Thus, slater's screening contant sigma is as : Z^(**)=Z-sigma Here, Z is the atomic number of the atom, and hence is equal to the actual number of protons in the atom. the parameter Z^(**) is the effective nuclear charge, which according to is smaller than Z, since the electron in question is screened (shielded) from Z by an amount sigma . Conversely, an electron that is well shielded from the nuclear charge Z experiences a small effective nuclear charge Z^(**) . The value of sigma for any one electron in a given electron configuration (i.e., in the presence of the other electrons of the atom in question) is calculated using a set of empirical rules developed by slater. according to these rules, the value of sigma for the electron in question is the cumulative total provided by the various other electrons of the atom. Q. According to Slater's rule, order of effective nuclear charge (Z^(**)) for last electron in case of Li, Na and K.

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