Helium (He)

Noble Gas

Discovered in 1895 by Sir William Ramsay

Discovered in 1895 by Sir William Ramsay

Uses: In balloons, cryogenics, and medical applications.

Neon (Ne)

Discovered in 1898 by Sir William Ramsay.

Uses: Neon lights, advertising signs.

Argon (Ar)

Discovered in 1894 by Sir William Ramsay and Lord Rayleigh

Uses: Welding, providing inert atmosphere in bulbs

Krypton (Kr)

Discovered in 1898 by Sir William Ramsay.

Uses: In photography, lighting.

Xenon (Xe)

Discovered in 1898 by Sir William Ramsay.

Uses: In lighting, medical imaging.

Radon (Rn)

Discovered in 1900 by Friedrich Ernst Dorn.

Radon is a radioactive noble gas