O2 is an example of a molecule
<span>47.88 g/mol is the awsner your welcome</span>
The elements of the "Noble" gases group is nonreactive. The reason for this is that noble gases are always or most of the time at room temperature.<span />
A mirror is opaque, meaning that it reflects the light and images that shine on it's reflective surface.
The correct answer for the question it is option
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