Across
- 4. a stable subatomic particle with a charge of negative electricity
- 7. interactions of substances as studied in chemistry
- 8. The opposite of cation
- 10. a positively charged ion
- 12. Used to measure weight
- 13. a technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.
Down
- 1. The opposite of cation
- 2. physical substance in general
- 3. properties are intermediate between those of metals and solid non-metals
- 5. a substance with particular chemical properties including turning litmus red, neutralizing alkalis
- 6. narrow-necked glass container
- 7. study of chemicals/matter
- 9. the relationship between the relative quantities of substances taking part in a reaction or forming a compound, typically a ratio of whole integers.
- 11. the chemical element of atomic number 20, a soft grey metal