laurentspencer319 laurentspencer319

25-09-2020
Biology

contestada

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

Respuesta :

ls3192099 ls3192099

25-09-2020

The answer is B.) its reactivity

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