Normal divers would use compressed air, however for deep sea diving a large proportion of the Nitrogen in compressed air is replaced with Helium, this is done to prevent nitrogen bubbles forming in the blood as the diver decompresses, this causes the bends and can be fatal, so the answer to your question is Helium.
normal gas for Scuba is 20% oxygen, 80% nitrogen.
You can take a nitrox course, in which you are then qualified to use different blends of oxygen and nitrogen. i.e. 40% oxygen and 60% nitrogen
An example of a gas element is helium, which is a noble gas commonly used in party balloons and airships.
nickel
argon
an element that was used was chlorinethere are some others such as tear and mustard gas
carbon
nitrogen
Yes, helium is the noble gas that is commercially used the most. It is commonly used in various industries, including cryogenics, deep-sea diving, and as a carrier gas for gas chromatography. Additionally, helium is commonly used to fill balloons for celebrations and events.
The gas that you can use is filtered air or nitrox, which is nitrogen enriched air. There is CO2 used for some BC vests also for an emergency, you can detonate the CO2 to get up to the surface.
The element used is called neon.The element used is called neon.
chlorine
chlorine
No, hydrogen gas is not a compound. It is a pure element consisting of only hydrogen atoms.