Across
- 4. only one type of atom is present
- 5. smallest particle of a compound
- 6. physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, esp. as distinct from energy
- 8. substance- a sample of matter that has definite chemical and physical properties\
- 9. separated chemically
- 10. is a substance that accepts hydrogen ions
Down
- 1. a substance made by mixing other substances together
- 2. the smallest particle of an element
- 3. separated physically
- 7. two or more elements together