An average atom of this element has 18 protons, 18 electrons, and 22 neutrons.
An atom of this element has 3 electron shells and 8 valence electrons.
Argon is named after the greek term “argos” which means lazy or inactive.
Argon was discovered in 1894 by Sir William Ramsay and Lord Rayleigh. They found it in the air as it is a byproduct from oxygen and nitrogen. It was discovered by examining the leftover air when taking out Nitrogen, Carbon, Oxygen.
Argon is not used in the human body, but is important for the metal industry.
Argon is used for filling light bulbs to prevent oxygen from getting in the hot filament is used for growing semiconductor crystals, and since Argon is an inert gas it is used for arc