Across
- 1. basic unit of matter
- 4. anything that occupies space
- 6. this law states that the physical and chemical properties of the elements recur in a systematic and predictable way when the elements are arranged in order of increasing atomic number.
- 8. ability of a gas to expand
- 10. contains the dispersed particle and dispersing medium
- 13. study of substances without carbon
- 17. average kinetic energy of the gas particles, K=°C+273
- 19. an atom or molecule in which the total number of electrons is not equal to the total number of protons, giving the atom a net positive or negative electrical charge.
- 20. ion that has a net negative charge
- 23. space occupied by gas particles
- 25. dissolving medium of the solution
- 27. when elements were organized into certain groups, that certain properties of the elements were repeated after every 8 elements
- 28. number of moles of a substance in a solution for each mole
- 29. elements with similar chemical properties into clusters of three
Down
- 2. amount of gas particles
- 3. they have definite number of atoms and they are chemically combined
- 5. ability of a gas to compress
- 7. study of matter and the changes it undergoes
- 9. chemistry of life
- 11. transform material into gold
- 12. ability of a gas to spreadout in any container
- 14. study of carbon containing compounds
- 15. zero-charged particles
- 16. negatively charged particles
- 18. force exerted by gas molecules in a given area
- 21. positively charged particles
- 22. substance dissolved in another substance (in solution)
- 24. a type of hypothesis wherein the statement is in negative form
- 26. ion that has a net positive charge