Across
- 3. created by equal but opposite charges that are separated by a short distance (6)
- 6. 14 elements with atomic numbers from 58 to 71 (5)
- 7. electronegativity that has a difference of 1.8-3.3 is what kind of bond (6)
- 9. bonding in molecules or ions that cannot be correctly represented by a single lewis structure (6)
- 13. polyatomic ions that contain oxygen (7)
- 15. indicates main energy level occupied by the electron (4)
- 16. alkali metals and alkaline earth metals are in what block? (5)
- 17. numerical prefix that indicates 5 atoms (7)
Down
- 1. 14 elements with atomic numbers from 90 to 103 (5)
- 2. an atom or group of bonded atoms that has a positive or negative charge (5)
- 4. shows the whole number ratio of elements in a compound (7)
- 5. the percentage by mass of each compound is known as what? (7)
- 8. compounds composed of 2 elements (7)
- 10. substance that can be hammered or beaten into thin sheets (6)
- 11. charged group of covalently bonded atoms (6)
- 12. according to the _______ principle an electrons occupies the lowest energy orbital that can receive it (4)
- 14. Russian chemist to create the periodic table (5)