Question

which is a chemical property of copper? a) has a boiling point of 2567 °c b) reacts in air to form a green layer c) has a reddish color in pure form d) is a solid at room temperature

Explanation:

A chemical property involves a chemical change. Copper reacting with air to form a green - layer (verdigris, a copper carbonate compound) is a chemical change. Boiling point, color, and state at room temperature are physical properties.

Answer:

B. reacts in air to form a green layer