chemistry
Across
- 2. composed of the same kind of matter.
- 4. the smallest particles.
- 5. characterized by definiteshape and volume.
- 8. agroup of symbols.
- 9. groups of two or more atoms.
- 10. substance that can be descompose .
Down
- 1. substances that are incompletely mixed.
- 3. difined as anything occupies space and mass.
- 6. symbols are abreviations of the english names.
- 7. substances that cannot be broken down.