I2 because of the presence of vacant d– orbitals accepts electrons form
I ions to form I3 ions but F2 because of the absence of d – orbitals does not
accept electrons from F ions to form F3- ions.
Thursday, August 6, 2020
Why the elements of the second row (first short period) show a number of differences in properties from other members of their respective families?
The differences in the properties of the first member of a group from those of the other members are due to
(i) the smaller size of atom.
(ii) presence of one inner shell of two electrons and
(iii) absence of d – orbitals.
Why is nitrous oxide (N2O) used as an anaesthetic in dentistry?
N2O is used as an anaesthetic in dentistry because of its inertness.
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