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प्रश्न
How does electron affinity change when we move from left to right in a period in the periodic table?
पर्याय
Generally increases
Generally decreases
Remains unchanged
First increases and then decreases
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उत्तर
Generally increases
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संबंधित प्रश्न
The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called ________.
Various successive ionisation enthalpies (in kJ mol-1) of an element are given below.
| IE1 | IE2 | IE3 | IE4 | IE5 |
| 577.5 | 1,810 | 2,750 | 11,580 | 14,820 |
The element is
Which one of the following arrangements represent the correct order of least negative to most negative electron gain enthalpy
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The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively
How would you explain the fact that the second ionisation potential is always higher than the first ionisation potential?
Energy of an electron in the ground state of the hydrogen atom is −2.18 × 10−18 J. Calculate the ionisation enthalpy of atomic hydrogen in terms of kJ mol−1.
Explain the periodic trend of ionisation potential.
By using Pauling's method calculate the ionic radii of K+ and Cl− ions in the potassium chloride crystal. Given that `"d"_("K"^+) - "Cl"^-` = 3.14 Å
Briefly give the basis for Pauling's scale of electronegativity.
