Which one of the following gas is known as Noble Gas:
A) Hydrogen
B) Oxygen
C) Helium
D) Carbon Dioxide
B) Oxygen
C) Helium
D) Carbon Dioxide
Details:
Group 8A (or VIIIA) of the periodic table are the noble gases or inert gases: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). The name comes from the fact that these elements are virtually unreactive towards other elements or compounds.