Answer the following questions
a) Which element has the most positive value of electron affinity?
b)Which element has low electronegativity?

Which element has the greatest tendency to lose electrons?

Four elements A, B, C and D along with their electronic configuration are given below: Now answer the following questions: (i) Which two elements belong to the same period ? (ii) Which two elements belong to the same group ? (iii) Which element out of A and C is more reactive and why?

The atomic number of elements A, B, C, D and E are given below: From the above table, answer the following questions : (i) Which two elements are chemically similar ? (ii) Which is an inert gas ? (iii) Which element belongs to 3 period of periodic table ? (iv) Which element among these is a non-metal ?

Which element is essential as electron carrier?

Which of the following has least electronegativity value?

Which of the following elements does not lose an electron easily?