A shortened form of the Periodic Table is shown below. Use it to answer questions (a) and (b)

(a) Which of the elements represented as A to E in the table, above is:

(i) transition metal;

(ii) an alkaline earth meta

(iii) the least reactive;

(iv) the most electronegative?

 

(b)(i) What type of bond would exist in a compound formed when element D reacts with oxygen?

(ii) Write the formula of the compound formed in (b)(i) above.