How do you say noble gas in Chinese?
— 稀有气体; 稀有气体

Generic synonyms for noble gas in Chinese
gas氣體, 气体 (qìtǐ), 氣, 气 (qì)
Specialized synonyms for noble gas in Chinese
argon氩
he(formal in all dialects) 他
helium氦 (hài)
krypton氪
neon氖 (nǎi)
radon氡
xenon氙