Consider the chemical formulas CoI₂ and COI₂. It is true that they A) contain identical kinds of atoms B) identify the same compound C) contain different kinds and numbers of atoms D) can be described by none of the above

Question

Quizplus · Accepted Answer

The two formulas differ in the capitalization of the element symbol for cobalt (Co). This means they are two different compounds, even though they contain the same kinds and numbers of atoms. In general, the capitalization of element symbols matters, as it signifies different chemical species.

Consider the Chemical Formulas CoI2 and COI2

Consider the Chemical Formulas CoI₂ and COI₂