Which have higher electronegativity, F or Cl ?

Which has higher electron affinity, F or Cl ?

Name the element of group 16 which has highest electronegativity.

Define the term electronegativity.

Name the element which has the highest value of electronegativity in the periodic table.

Which has higher mobility, electron of hole?

Name the most electronegative elements?

Which is the most electronegative element among the following :

An a–particle and a proton are released from the centre of the cyclotron and made to accelerate. When they are accelerated in turn, which of the two will have higher velocity at the exit slit of the dees?

Which has a higher pitch, whistle or a drum ?

Which has higher ionization energy out of Be and B and why ? 1