CHEMMystery

  Kr gas ◽️It is a noble gas with atomic number 36. ◽️This is considered as an element belonging to the 18th group of the 4th cycle.  Also known as fourth noble gas. ◽️A colorless gas. ◽️A very rare gas. ◽️A light blue/grey color appears under high voltage. ◽️There are 6 stable isotopes. Used 🔵Lighting. 🔵Important in photography.

Ar gas It is a noble gas with atomic number 18. This is considered as an element belonging to the 18th group of the 3rd cycle.  Also known as third noble gas. A colorless gas. Appears pinkish-purple under high voltage.

  Ne gas ◽️It is a gas in elemental form with atomic number 10. ◽️This gas is the second gas in the noble gas or inert gas section.  That is, the 2nd element belonging to the 18th group in the 2nd cycle. ◽️A common element in the universe, but rare on Earth. ◽️A colorless, inert gas. ◽️Under high voltage it turns red-orange ◽️Ne has 3 stable isotopes (20Ne, 21Ne, 22Ne)  🔵 uses In vacuum tubes In high voltage indicators In lasers As a refrigerant

He gas ◾H and He are recognized as the first elements formed in the creation of the universe. ◾Atomic number 2.  According to the periodic table, it is in the first period but belongs to the 18th group, consisting of an s orbital, or an inert gas. ◾Mass index is 4. ◾It exists in nature as a colourless, odorless and non-toxic gas. ◾It is considered a light gas because of its very low mass. ◾Apart from hydrogen, it is considered to be the most abundant element in the universe. ◾He is believed to make up 24% of the mass of our Milky Way galaxy. ◾A purple color is observed in a high voltage electric field. uses To create air pressures To identify leaks As a carrier gas To the operation of airplanes and balloons For divers To the metal soldering process In the fabrication of superconductors