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प्रश्न
Which one of the following is the least electronegative element?
पर्याय
Bromine
Chlorine
Iodine
Hydrogen
उत्तर
Hydrogen
APPEARS IN
संबंधित प्रश्न
Which of the following elements will have the highest electronegativity?
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
The electronic configuration of the atom having maximum difference in first and second ionisation energies is
In a given shell the order of screening effect is
What are isoelectronic ions? Give examples.
Is the definition given below for ionisation enthalpy is correct?
"Ionisation enthalpy is defined as the energy required to remove the most loosely bound electron from the valence shell of an atom"
In what period and group will an element with Z = 118 will be present?
Explain the following, give an appropriate reason.
The formation of \[\ce{F^-_{(g)}}\] from \[\ce{F_{(g)}}\] is exothermic while that of \[\ce{O^2-_{(g)}}\] from \[\ce{O_{(g)}}\] is endothermic.
What is the screening effect?
State the trends in the variation of electronegativity in groups and periods.
