Question

Name the lightest gas?​

Answer 1

Answer:

Helium is the second most abundant element in the universe, after hydrogen. Helium has monatomic molecules, and is the lightest of all gases except hydrogen. . Helium, like the other noble gases, is chemically inert.

Answer 2

★᭄ꦿ᭄Answer★᭄ꦿ᭄

Helium

Helium is the second most abundant element in the universe, after hydrogen. Helium has monatomic molecules, and is the lightest of all gases except hydrogen. Helium, like the other noble gases, is chemically inert.