The most important thing for your to remember is that in a physical change the composition of a substance does not change and in a chemical change the composition of a substance does change.
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- what is chemistry?
- Branches Of Chemistry
- Molecular Formula
- Molecular mass
- Atomic mass
- Atomic number
- Discovery of the Neutron (1932)
- Discovery of Proton
- Discovery of Electron
- Radioactive decay
- Electron cloud
- Nucleus
- mass spectrometer
- Atom
- chain reaction
- Molecular Mass Calculations
- Formula Mass (Formula Weight)
- Formula Mass (Formula Weight)
- Molecular Mass (Molecular Weight)
- Molecules of Compounds
- Microscale Gas Chemistry Experiments with Oxygen
- Uses of Carbon dioxide
- History of human understanding
- Properties of carbon dioxide
- What is carbon dioxide and how is it discovered?
- Energy - Absorbed or Released
- Chemical Changes
- Chemical vs Physical Change
- Atoms Around Us
- The List of Elements
- The Same Everywhere
- Periodic Table and the Elements
- Changing States of Matter
- Matter is the Stuff Around You
- Chemical Reactions
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June
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