The correct order of radii is
F– < O2– < N3–
Ionic radii decreases significantly from left to right in a period among representative elements.
Which element of second period forms most acidic oxide?
Which of the following oxides is most basic?
An element X which occurs in the first short period has an outer electronic structure s2p1. What are the formula and acid-base character of its oxides?
The pair of amphoteric hydroxides is
The elements X, Y, Z and T have the indicated electronic configurations. Starting with the innermost shell, which is the most metallic element?
The statement that is the true for the long form of the Periodic Table is
The radii F, F–, O and O2– are in the order of
Which has the smallest size?
The correct order of ionic radius is
The bond length or LiF will be