Answer:
<h2>10.5 gram(cm)^-3 is the right answer.</h2>
The correct answer is D:
it involves breaking molecular bonds between copper compounds
.
The explanation :
-when we melt a copper it is a physical change because the substance is still copper and have the same shape.
- but for example Burning a copper it is a chemical change. Fire activates a chemical reaction between copper and oxygen.
-The oxygen in the air reacts with the copper and the chemical bonds are broken.
- the chemical change is changing the other compound bonded to the copper atoms.
So, the correct answer is D
Dinebdjxnwjzjwbzobdjxoebxudbxkakxpxp
Answer:
A mixed fraction is a fraction composed of a whole number and a fraction such as 2⅔
