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प्रश्न
Identify the wrong statement.
पर्याय
Amongst the isoelectronic species, smaller the positive charge on cation, smaller is the ionic radius.
Amongst isoelectric species greater the negative charge on the anion, larger is the ionic radius.
Atomic radius of the elements increases as one moves down the first group of the periodic table.
Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the periodic table.
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उत्तर
Amongst the isoelectronic species, smaller the positive charge on cation, smaller is the ionic radius.
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संबंधित प्रश्न
In the third period the first ionization potential is of the order.
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
The electronic configuration of the atom having maximum difference in first and second ionisation energies is
Which of the following orders of ionic radii is correct?
What is the effective nuclear charge?
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"
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
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.
