What is the overall composition of the outer atmospheric regions of Jupiter in terms of the relative numbers of atoms?
A) 75% hydrogen, 15% helium, and 10% everything else
B) hydrogen and helium only, with no other elements
C) 86% hydrogen, 13% helium, and 1% everything else
D) pure hydrogen

Question

Quizplus · Accepted Answer

The outer atmospheric regions of Jupiter are primarily composed of hydrogen and helium with trace amounts of other elements. According to NASA, the composition is roughly 86% hydrogen and 13% helium, with the remaining 1% consisting of methane, ammonia, water vapor, and other trace elements. Option A is close but overestimates the amounts of helium and underestimates the amounts of other elements. Option B is incorrect because there are trace amounts of other elements present. Option D is incorrect because there are trace amounts of other elements present.

What Is the Overall Composition of the Outer Atmospheric Regions