Which one of the following amongs each pair will release maximum energy on gaining one electron (A = F, Cl), (B = S, Se), (C = Li, Na)

Which one of the following amongst each pair will release maximum energy on gaining one electron (A = F, Cl), (B = S, Se), (C = Li, Na)

Which one of the following is most reactive? Li Na K Rb

Which one among the following radiations carries maximum energy?

which one among the following pairs is correctly matched ?

Which one among the following pairs is not properly matched?

In which of the following energy released will be largest on gaining an electron?

In which of the following energy released will be largest on gaining an electron?

Which one among the following pairs is not correctly matched ?

Which one among the following pairs is not correctly matched ?