What Property of Helium Allowed Scientists to First Discover Its

question 71

Multiple Choice

What property of helium allowed scientists to first discover its existence?

• A) Helium accumulates inside meteoroids (fragments of rock and iron orbiting the Sun that, when they fall to Earth, are known as meteorites).
• B) Helium refuses to combine chemically with other elements.
• C) Helium absorbs light at certain wavelengths that were not characteristic of any element known at that time.
• D) Helium is characteristically found in rocks containing radioactively decaying elements such as uranium.

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