What Is The Difference Between Halogen And Noble Gas?

What Is The Difference Between Halogen And Noble Gas? Halogens are very reactive because they have seven valence electrons and need one more to have eight valence electrons (an octet). … The noble gases have filled valence shells What is the difference between the halogen grouping of elements and the noble gas grouping of elements?

What Is Used In Balloons As It Is Lighter Than Air?

What Is Used In Balloons As It Is Lighter Than Air? In the United States, pilots fly with helium or hydrogen as the lifting gas. Both gases are lighter than air. Gas balloons get their initial lift from the helium or hydrogen pumped into their envelopes. Is nitrogen used in balloons? Can you use nitrogen

Can I Travel With A Helium Tank?

Can I Travel With A Helium Tank? Helium cylinders may be transported via ground transportation, but are not permitted to be transported by air. Although our helium cylinders are solidly made, they are not indestructible. Rough or careless treatment could damage the cylinder, the valve, or the nozzle, and cause it not to operate properly.