The first four ionisation energy values of an element are 191, 578, 872 and 5962 kcal. The number of valence electrons in the element is
Since, the IVth IE is very high, ie, electron is to be removed from stable configuration, thus it has 3 valence electrons.
Which has the smallest size?
The correct order of radii is
The correct order of ionic radius is
The bond length or LiF will be
The ionic radius of ‘Cr’ is minimum in which of the following compounds?
The incorrect statement among the following is
Which ionisation potential (IP) in the following equations involves the greater amount of energy?
Which one of the following elements has the highest ionisation energy?
In the Periodic Table, going down in the fluorine group
The Ist IEs of four consecutive elements present in the second period of Periodic Table are 8.3, 11.3, 14.5 and 13.6 eV respectively. Which of these is the IE of nitrogen?