Which one of the following combinations represents a metallic element?
2, 8, 2
2, 8, 2 because it would donate electron more easily.
The values of electronegativity of atom A and B are 1.20 and 4.0 respectively. The percentage of ionic character of A–B bond is
The halogen that most easily reduced is
Which element has the lowest electronegativity?
Which one of the elements has the maximum electron affinity?
For electron affinity of halogens, which of the following is correct?
Which one of the following has the highest electronegativity?
The outermost electronic configuration of the most electronegative element is
Fluorine has low electron affinity than chlorine because of
The second electron affinity is zero for
Which one of the following process requiring absorption of energy?