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प्रश्न
Which of the following have no unit?
(i) Electronegativity
(ii) Electron gain enthalpy
(iii) Ionisation enthalpy
(iv) Metallic character
उत्तर
(i) Electronegativity
(iv) Metallic character
Explanation:
Both electronegativity and metallic character do not possess units as they both are qualitative properties not a quantitative property.
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संबंधित प्रश्न
What is the basic difference between the terms electron gain enthalpy and electronegativity?
How would you react to the statement that the electronegativity of N on Pauling scale is 3.0 in all the nitrogen compounds?
Explain the following:
Electronegativity of elements increase on moving from left to right in the periodic table.
Outermost configuration of the most electronegative elements of the periodic table is ______.
The energy released in joule and MeV in the following nuclear reaction,
\[\ce{^2_1{H} + ^2_1{H} -> ^3_2{He} + ^1_0{n}}\]
(Assume that the masses of \[\ce{^2_1{H}}\], \[\ce{^3_2{He}}\] and neutron (n) respectively are 2.0141, 3.0160 and 1.0087 in amu) is ______ × 10−13 J.
