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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
पर्याय
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
Assertion: Helium has the highest value of ionisation energy among all the elements known
Reason: Helium has the highest value of electron affinity among all the elements known
Which of the following is the second most electronegative element?
Which of the following orders of ionic radii is correct?
Which one of the following is true about metallic character when we move from left to right in a period and top to bottom in a group?
How does electron affinity change when we move from left to right in a period in the periodic table?
What are isoelectronic ions? Give examples.
Explain the following, give an appropriate reason.
Ionisation potential of N is greater than that of O
Explain the following, give an appropriate reason.
The electron affinity values of Be and Mg are almost zero and those of N (0.02 eV) and P (0.80 eV) are very low.
Briefly give the basis for Pauling's scale of electronegativity.
State the trends in the variation of electronegativity in groups and periods.
