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Matter & Elements
matter, elements, properties & changes
| Question | Answer |
|---|---|
| Physical Change | No change to the substance. Example: ice cubes melting. |
| Chemical Change | Results in a new substance being formed. Example: burning logs for a campfire. |
| Chemical Property | Reacting with other substances, flammability, combustible are all examples. |
| Transition Metals | located in the center of the table, groups 3-12 |
| Noble Gases | located on the far right side of the table, group 18 |
| Element | symbols are found on the Periodic Table, |
| Matter | made up of particles called atoms |
| Density | found by using mass and volume of an object, can be used to identify substances. |
| Atom | building blocks of all matter, smallest unit of an element. |
| Protons | positive charge +, found in the nucleus |
| Electrons | negative charge -, orbit the nucleus of atoms |
| Neutrons | no charge, found in the nucleus |
| Atomic Number | Number of protons an element contains. |