Across
- 5. 6.022x10^23
- 7. J.J. Thomson used this tool to discover the electron
- 8. sugar water is...
- 10. molecules are ________
- 12. elements whos properties tend to be largely predictable based on their position on the periodic table
- 13. a description of the orbitals occupied by electrons is called and ______
- 14. occur between two or more nonmetals
Down
- 1. a formula that gives the relative number of atoms of each element in a compound
- 2. calculated by averaging the isotopes
- 3. electrons enter atomic orbitals from lowest energy to highest
- 4. summarized these observations in the periodic law
- 6. used mainy to illustrate covalent-bonded molecular compounds but can be used to illustrate simple ionic compounds
- 9. a formula that gives the actual number of atoms of each element present in a molecule
- 11. occur between metals and nonmetals
- 12. when two or more elements combine a ________ is formed