Question 48

Zinc (Zn) is the element in Group 12.

Zinc (Zn) is classified as a transition metal and is located in Group 12 of the periodic table, which also includes cadmium and mercury.

A) Lead (Pb)

Lead (Pb) is located in Group 14 of the periodic table, not Group 12. It is a heavy metal known for its density and toxicity, but it does not belong to the group being questioned.

B) Polonium (Po)

Polonium (Po) is found in Group 16 of the periodic table, classified as a metalloid. While it is a part of the chalcogen group, it does not correspond to Group 12.

C) Astatine (At)

Astatine (At) is a halogen located in Group 17. This element is radioactive and does not share the characteristics or position associated with Group 12 elements.

D) Zinc (Zn)

Zinc (Zn) is correctly placed in Group 12 of the periodic table. It is a vital element used in various applications, including galvanization and as an essential nutrient in biological systems.

Conclusion

Zinc (Zn) is definitively the correct answer as it is the only element listed that is found in Group 12. All other options—Lead, Polonium, and Astatine—are located in different groups and do not meet the criteria set by the question. Thus, Zinc stands out as the sole representative of Group 12 elements.