Respuesta :
helium, neon and Xeon belong to the same Column( Group) which is Column 18 or you can say Group 8 in roman numbers
don't forget if you say group you should write in roman numbers okay. Best of luck
don't forget if you say group you should write in roman numbers okay. Best of luck
Answer:
(Group) there an easy final answer you can see from the others lol
Explanation: