Copper oxidizes in moist air
2Cu + CO₂ + O₂ + H₂O = (CuOH)₂CO₃
copper reacts with concentrated acids, for example, with nitric acid
Cu + 4HNO₃ = Cu(NO₃)₂ + 2NO₂ + 2H₂O
copper reacts with chlorine
Cu + Cl₂ = CuCl₂
copper reacts with oxygen when heated
2Cu + O₂ = 2CuO
Answer:
A.) Polymers are substances that have relatively large molecules
Answer:A. Both animals and plants have changed over time.
Explanation:
Because plants and animals go through adaptations.
Reactivity is the name your looking for I believe.
When an atom combines chemically with another atom, it either gains, loses, or shares ELECTRONS.