Which element is a transition element?
A)K
B)Co
C)Ca
D)Kr

Question

Quizplus · Accepted Answer

Transition elements are those elements in the periodic table which are located in the d-block of the periodic table. Co (Cobalt) is located in the d-block and hence it is a transition element. K (Potassium) and Ca (Calcium) are not transition elements and they are located in the s-block of the periodic table. Kr (Krypton) is a noble gas and it is located in the p-block of the periodic table.

Which Element Is a Transition Element