Across
- 3. a single unit
- 5. a type of medal(FE)
- 7. When 2 things become something new (think of a married couple)
- 8. A pure substance that can't be broken
- 10. When to things are attracted to each other and then become a bound they have ___
Down
- 1. when one or more elements have been chemical, combined
- 2. hydrogen2 oxygen
- 4. A combination of different elements that are not chemically combined
- 6. table The table of elements
- 9. Has mass and takes up space