Elements found on Neptune include:
Molecular hydrogen (H2) - 80.0%
Helium (He) - 19.0%
Methane (CH4) - 1.5%
Hydrogen Deuteride (HD) - 192ppm
Ethane (C2H6) - 1.5ppm
Ammonia ice
Water ice
Ammonia hydrosulfide
Hera & Zeus
?
Neptune is a gas giant and does not have the same sort of surface that our planet has. Neptune consists of different layers. The atmosphere consists of hydrogen, helium and methane gases. The mantle contains water, ammonia and methane ices. The core contains rock and ice. I think it is an amazing Planet!
Iron and tin (on the surface)
gasses small water vapor
No, Neptune doesn't have a solid surface for there to be volcanoes.
There is no such thing as a "surfaceinterior".
Neptune is made up of mostly gas.
The Neptunes was created in 1990.
neptunes gravity is high
The relative concentration of elements on lunar surface compared to earth's surface is known as regolith.
hydrogen and helium
It was discovered in 1846.
gas
Hera & Zeus
triton
?