Answer:
The answer to your question is: B) Mercury, zinc and Cadmium
Step-by-step explanation:
A)iron, nickel, and cobalt These elements are in different groups so this option is incorrect.
B)mercury, zinc, and cadmium These elements are located in group number 12, this is the right option.
C)copper, silver, and gold These elements are located in group 11, this option is incorrect.
D)neon, helium, and xenon These elements are located in group 18 or 8A, so this option is incorrect.