Across
- 3. Any of various metallic elements that have valence electrons in two shells instead of only one
- 7. A table of the chemical elements arranged in order of atomic number
- 8. a horizontal row of elements in the periodic table that have the same number of electron shells
- 9. An ion that contains more than one atom
- 11. A negatively charged electron
- 12. Bonding between a non-metal and a metal, that occurs when charged atoms attract
- 13. Study of the interactions of matter with energy
Down
- 1. A force that holds atoms together in a metallic substance
- 2. Bonding between 2 non-metals where electrons are shared
- 4. a column of chemical elements in the periodic table that have atoms with identical valence electron counts
- 5. A positively charged ion
- 6. body of delocalised electrons that surrounds positive metal ions in metallic bonds.
- 10. Relating to electrons involved in or available for chemical bond formation