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प्रश्न
The First ionisation potential of Na, Mg and Si are 496, 737 and 786 kJ mol-1 respectively. The ionisation potential of Al will be closer to
विकल्प
760 kJ mol-1
575 kJ mol-1
801 kJ mol-1
419 kJ mol-1
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उत्तर
575 kJ mol-1
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संबंधित प्रश्न
Which of the following elements will have the highest electronegativity?
The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively
Which of the following orders of ionic radii is correct?
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"
Define electronegativity.
Why the first ionisation enthalpy of sodium is lower than that of magnesium while its second ionisation enthalpy is higher than that of magnesium?
Explain the following, give an appropriate reason.
Ionisation potential of N is greater than that of O
What is the screening effect?
Briefly give the basis for Pauling's scale of electronegativity.
State the trends in the variation of electronegativity in groups and periods.
