Bleaching and putting it into water and letting it rust
Yes. Dissolution of a copper penny would indeed be a chemical reaction.
Chemical.
Cu can be dissolved in many acids.
Copper has both chemical and physical properties. You will need to specify which property you are asking about
I believe you mean copper. Copper is not a property; it is an element with physical and chemical properties.
It has a boiling boint of exactly 2035 degree. This is for the usage of growth rings of the copper penny
Yes. Dissolution of a copper penny would indeed be a chemical reaction.
copper and oxygen
Chemical.
A penny is made up of metals - copper and zinc both of which have lustrous physical properties
To my knowledge, a penny is not a chemical change. No, I think it is instead a coin; a unit of currency, mostly made from zinc and plated with copper. Nothing I'm describing has anything to do with chemical changes.
Corroding
Cu can be dissolved in many acids.
Copper has both chemical and physical properties. You will need to specify which property you are asking about
I believe you mean copper. Copper is not a property; it is an element with physical and chemical properties.
wellington college
Yes, it is one of its properties.