1.

All the elements, on the basis of long form of periodic table, can be divided into four blocks, s,p, d and f. the ionization energies, electron affinities, electronegativities, atomic and ionic radii and other physical properties usually shown a regular pattern of change within a group or along period with some irregularities. Q. Which of the following element has the maximum value of electronegativity?

Answer»

Aluminium
Silicon
Phosphorus
Sulphur

Answer :D


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