The atomic number tells us the number of protons and electrons.
The atomic mass tells us the weight of the nucleus, which is the amount of protons and neutrons
Pool water contains chlorine to keep it sanitary
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Answer:
A It changes shape and volume
Explanation:If a liquid turns into a gas it starts to change shape since they are not the same
If you overheat copper sulfate higher of mass will be lost that is copper sulfate will loss sulfur and oxygen which led to a higher loss of mass than if you would have heated enough. This higher mass lost will be shown in calculation as percentage of water lost