Examlex
Which of the following error messages is displayed in Excel Solver when attempting to solve an unbounded problem?
Cu2+
A positively charged ion of copper, formed when copper loses two electrons.
Nitrogen
A chemical element with symbol N and atomic number 7, it is a non-metallic gas that makes up 78% of the Earth's atmosphere by volume.
Formula
A symbolic representation of the composition of a compound, indicating the elements present and the ratio of atoms or ions.
Cyanate Ion
A negatively charged ion or anion with the formula OCN-, derived from cyanic acid.
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