Assume you have several materials available to build a sculpture for the city hall. When the sculpture is placed outside in the open, the material it is built from may undergo unwanted changes, such as corrosion and erosion.

Which of the following statements best describes the characteristics of the material chosen for the sculpture that would make it resistant to these changes?

A small piece of metal is placed in a beaker of water, where the metal bursts into flames before gradually dissolving in water. Determine if this is a physical or chemical change.

Classify the following as physical or chemical changes:

a. Water condenses on the surface of a cold glass.

b. Rust forms on the surface of an iron nail.

c. Black smoke rises when a candle is burned.

d. A drop of alcohol evaporates on a table.

How does bond breaking relate to chemical reactions?

Select all chemical changes from the following example