CHEMISTRY
Across
- 3. literally salt formers
- 4. ability to drawn into wire
- 5. smallest estimated digit
- 7. consists of positively-charged nucleus at the center surrounded by negatively- charged electrons
- 11. Theory when the volume increases the density becomes smaller
- 16. Figures refers to the number of exact digits plus one digit which is estimated
- 17. acceleration due to gravity
- 20. refers to the number of protons and electrons
- 23. form complex ions ; highly colored
- 24. Smallest exact digit
- 26. simplest form of matter
- 27. amount of space matter occupies
- 28. a measure of the pull of gravity of the earth from a body
- 29. ratio of mass of a substance per unit volume
- 30. phenomenon wherein a substance can behave as acid or base at the same time
Down
- 1. anomalous substance
- 2. systematic arrangement of known elements based on increasing atomic number
- 6. best conductor of heat
- 8. Gravity ratio of the weight of a substance to the weight of equal volume of water
- 9. components are easily separated
- 10. form strong bases, very reactive and soluble in water
- 12. metals used in the making of coins
- 13. all molecular motion is dead
- 14. System also called the Decimal System
- 15. amount of mass in a body
- 18. to indicate multiple / submultiple of fundamental unit
- 19. can be flattened into thin sheets
- 21. process of comparing something with a Standard to see how many times as big it is with a standard
- 22. anything that has mass and volume
- 25. formed by combining elements; ha definite ratio