of the two types of gas he discovered, what is the practical application of the first one?
vacuum tubes, high-voltage indicators, lightning arresters, wavemeter tubes, television tubes, and helium–neon lasers.
Neon
Neon is used in vacuum tubes, high-voltage indicators, lightning arresters, wavemeter tubes, television tubes, and helium–neon lasers. Liquefied neon is commercially used as a cryogenic refrigerant in applications not requiring the lower temperature range attainable with more extreme liquid-helium refrigeration.
where did the noble gases get their name "Noble gas" is translated from the German noun , first used in 1898 by Hugo Erdmann to indicate their extremely low level of reactivity. The name makes an analogy to the term "noble metals", which also have low reactivity. who was the first to discover them? It depends. Noble gases like Neon was discovered by Sir William Ramsay and Morris W. Travers. Argon was first isolated by Lord Rayleigh and Sir William Ramsay who is the first person mentioned? a Scottish chemist who discovered the noble gases and received the Nobel Prize in Chemistry where did he do his higher education? University of Glasgow, University of Tübingen
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Neon [SEP] Applications
Neon is often used in signs and produces an unmistakable bright reddish-orange light. Although tube lights with other colors are often called "neon", they use different noble gases or varied colors of fluorescent lighting. Neon is used in vacuum tubes, high-voltage indicators, lightning arresters, wavemeter tubes, television tubes, and helium–neon lasers. Liquefied neon is commercially used as a cryogenic refrigerant in applications not requiring the lower temperature range attainable with more extreme liquid-helium refrigeration. Neon, as liquid or gas, is relatively expensive – for small quantities, the price of liquid neon can be more than 55 times that of liquid helium.