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प्रश्न
Which of the following orders of ionic radii is correct?
पर्याय
H− > H+ > H
Na+ > F− > O2−
F > O2− > Na+
None of these
उत्तर
None of these
APPEARS IN
संबंधित प्रश्न
The group of elements in which the differentiating electron enters the anti penultimate shell of atoms are called ________.
Which one of the following arrangements represent the correct order of least negative to most negative electron gain enthalpy
Which one of the following is the least electronegative element?
The element with positive electron gain enthalpy is
Which of the following is the second most electronegative element?
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"
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.
Explain the following, give an appropriate reason.
First ionisation potential of the C-atom is greater than that of the B atom, whereas the reverse is true is for the second ionisation potential.
