Helium is a nonmetal. There are several reasons for this, it is unable to donate electrons and It has an extremely low melting point.
A compound is a substance composed of 2 or more chemical elements.
The model does not represent a compound because it shows two atoms of the same element combined. To be a compound the model would need to contain atoms of different element, represented by different colored balls. Therefore, the picture does not represent a compound. :)
Answer:
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Explanation:
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