The second smallest element. Has a wide variety of uses, especially in the medical field for MRI scanners, and in the industry for leak detections.
Commonly used for the manufacture of special light bulbs
Commonly used as a shielding agent for welding applications
Commonly used in the manufacture of light bulbs, as well as in the making of fluoride ion lasers.
A rare gas with multiple uses, ranging from the manufacture of bulbs, lasers, and even medical usage.