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Changes of Matter
Chemical reaction, Physical reaction, balancing chemical equations
| Term | Definition |
|---|---|
| Chemical change | A change that results in a new substsnce |
| Physical change | Changing form of substance but no new substance is created |
| Chemical property | No change has been made yet |
| Physical property | How the substance looks/ its characteristics |
| Synthesis | A+B=AB Two substances form one new substance |
| Single replacement | AB+CD=AC+BD One thing is replaced |
| Double replacement | AB+CD=DB=AC two things are replaced |
| Decompostiton | AB=A+B one substance is taken apart and forms two different substances |
| Atom | Smallest unit of matter |
| Molecule | Made up of atoms |
| Conservation of Mass | can not create or destroy matter |