Chemistry
Across
- 6. taking off what rises to the top of the container in water or another liquid
- 8. the positive part of an atom
- 9. separating chemicals of different colours
- 12. a type of secure tether which two atoms share with one or more other atoms
- 14. taking out magnetic things using a magnet
- 15. the negative part of an atom
- 16. a describing word for a substance which is made up of more than one element
- 17. a state of matter whose atoms are slow
- 19. a describing word for a non-uniform-looking mixture
- 21. something which has mass
Down
- 1. the neutral part of an atom
- 2. smallest part of matter
- 3. heating liquid and keeping it, moving it to another container and keeping the solid
- 4. a state of matter whose atoms are so fast they have broken away from each other
- 5. blocking some things and throwing others away
- 7. a describing word for a substance which is made up of only one element
- 10. a describing word for a uniform-looking mixture
- 11. a result of two elements combining
- 13. the result of two atoms tethering together
- 18. a state of matter whose atoms are medium pace
- 20. heating liquid so the solid stays behind