Answer: Fe
Explanation: Fe (Iron) is the only element since it involves only 1 atom. The other options are compounds, since there are more than 2 atoms bonded together.
The elements heavier than hydrogen and helium were produced inside stars.
During most of a star's lifetime, hydrogen nuclei fuse together to form helium nuclei.As the star runs out of hydrogen, other elements. Heavier elements than hydrogen and helium are form. Elements heavier than iron are formed in supernovas.
C. Homogeneous mixtures These alloys are homogeneous mixtures because they have a uniform composition throughout.
Answer:
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Explanation: