Question

During her presentation, Zahara was asked several questions from the audience and to provide the molecular formula for molecules that the audience had questions about. Help Zahara classify whether the following items are an element, a compound, a homogenous mixture, or a heterogenous mixture: Dry ice

Answer 1

So,

Dry ice is a compound consisting of one carbon dioxide molecule chemically bonded to two molecules of oxygen. This compound is the solid form of carbon dioxid.

This is a photo of this compound:

It is a compound since it is formed by more than one element. (CO2)