What are Neptune composition elements?

Answer 1

Scientists believe that Neptune is made up chiefly of hydrogen, helium, water, and silicates.

Answer 2

Neptune is a planet that is comprised mostly of hydrogen and helium gas. It has no rocky surface. Neptune is a blue planet because it has small amounts of methane in its atmosphere.

Answer 3

the composition of neptune is made up of hydrogen (h2) 80% also it is made up of helium (he) 19% and last but not least methane (cha) 1.5%

Answer 4

the chemicals that neptune contains are ammonia and also methane. it can contain these substances due to its cold climite.

Answer 5

80±3.2% Hydrogen (H2) 19±3.2% Helium 1.5±0.5% Methane ~0.019% Hydrogen deuteride (HD) ~0.00015% Ethane

Answer 6

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