Definitions
There is 1 meaning of the phrase
Helium Group.
Helium Group - as a noun
The series of inert gases
Example Sentences
"The helium group consists of helium, neon, argon, krypton, xenon, and radon."
"The helium group elements are all noble gases."
"The helium group is located in Group 18 of the periodic table."
"Helium, as part of the helium group, has a low boiling point."
"The helium group is known for its low reactivity."