Across
- 3. nutrients that organism need in only minors or trace amounts
- 6. property property that describes the physical appearance and composition of a substance
- 8. positively charged particle in the nucleus of an atom
- 10. table a table in which the elements are organized by their
- 11. substance that enriches soil so that plants will grow
- 12. in chemistry ph of 7 neutral substance is neither an acid nor base
- 13. change of state form a solid to a gas to a liquid
- 16. neutron particle in the nucleus of an atom
- 19. chemical combination of two or more element in a specific ratio
- 21. one type of atom
- 22. pure substance that cannot be broken down into other substances made up
Down
- 1. invisible negatively charged particles that orbits the nucleus of an tom
- 2. change of state form a liquid to a solid
- 3. nutrients that organisms need in relatively large amounts
- 4. reaction between an acid and base that produces water and solid compound called a salt
- 5. change of state form liquid to a gas
- 7. number number of protons in the nucleus of one atom of an element
- 9. positively charged in the nucleus of an atom
- 13. gas natural gas that contains hydrogen sulfide
- 14. energy energy possessed by an object because of its motion or its potential to move a thrown baseball has mechanical energy because of its movement and its potential to fal
- 15. fuel fuel formed dead plant and animals coal oil and natural gas
- 17. wastewater containing dissolved and undissolved material form your kitchen bathroom and laundry
- 18. change of state form solid to a liquid
- 20. anything that has mass and occupies space