70.9k views
3 votes
Copper turns a green-brown when it is exposed to oxygen in the air.

What chemical property of oxygen causes this effect?

A.) it's mass
B.) its reactivity
C.) its flammability
D.) its volume

User Imrank
by
7.3k points

1 Answer

7 votes

The answer is B.) its reactivity

User Aginsburg
by
7.8k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.