Across
- 1. vertical columns in the periodic table
- 5. anything that occupies space and has mass
- 7. an apparatus for measuring the masses of isotopes
- 10. the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant(three words)
- 12. the space between atoms and molecules in a liquid or gas
- 13. regions surrounding the atomic nucleus containing a specific number of electrons
- 15. a liquid dissolving the solute to form a solution
- 16. the amount of substance in a defined space
- 18. a substance that cannot be further divided into simpler substances with chemical methods
- 20. same element but with different nucleon number
Down
- 2. a single chemical element or compound(has two words)
- 3. two or more substances mixed together
- 4. a solution with as much dissolved solute possible at a given temperature
- 6. the movement of molecules from a region of higher concentration to a region of lower concentration
- 8. horizontal columns in the periodic table
- 9. the property of how fast a liquid evaporates
- 11. a substance dissolves into another substance
- 14. a substance dissolved into a liquid
- 17. a substance made from two or more different elements that have been chemically joined
- 19. the smallest part of an element that can take part in a chemical reaction