'Because they are never found in chemical compounds, the noble gases neon, argon & helium are called this'
the inert gases
SCIENCE: Because they are never found in chemical compounds, the noble gases neon, argon & helium are called this
Because they are never found in chemical compounds, the noble gases neon, argon & helium are called this
Because they are never found in chemical compounds, the noble gases neon, argon & helium are called this
SCIENCE
the inert gases
SCIENCE