Across
- 4. a pure substance that can not be broken down into any other substances
- 8. he started the first Periodic Table
- 9. when one or more elements have been chemically combined through a chemical reaction to form a new substance
- 10. a combination of many different elements, but they are not chemically bonded and can be separated
Down
- 1. anything that has mass and takes up space
- 2. Table: it is a display of the elements
- 3. the incredibly, small building blocks of matter
- 5. the element of sodium
- 6. compound for water
- 7. the element for chloride