In the isoelectronic species the ionic radii (Å) of N3–, O2– and F– are respectively given by
1.71, 1.40, 1.36
The order of the ionic radii of the given species is
F– < O2– < N3–
or 1.36 1.40 1.71.
Mendeleef’s Periodic Table is upset by the fact that
If Aufbau rule is not followed, K-19 will be placed in
Which of the following has largest size?
Which of the following has largest ionic radius?
Which of the following ion is the smallest ion?
Which of the following is the smallest in size?
The smallest among the following ions is
The trivalent ion having largest size in lanthanide series is
Which of the following elements will have the lowest first ionisation energy?
A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configuration