Advertisements
Advertisements
Question
What are isoelectronic ions? Give examples.
Advertisements
Solution
There are some ions of different elements having the same number of electrons are called isoelectronic ions.
Example: Na+, Mg2+, Al3+, F–, O2– and N3–
APPEARS IN
RELATED QUESTIONS
Identify the wrong statement.
The correct order of decreasing electronegativity values among the elements X, Y, Z and A with atomic numbers 4, 8, 7 and 12 respectively
The electronic configuration of the atom having maximum difference in first and second ionisation energies is
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
How would you explain the fact that the second ionisation potential is always higher than the first ionisation potential?
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.
In what period and group will an element with Z = 118 will be present?
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.
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.
Briefly give the basis for Pauling's scale of electronegativity.
