Across
- 3. Ion with a negative charge
- 5. formed by the complete transfer of some electrons from one atom to another
- 6. Elements on the Left-Middle side of the Periodic Table
- 7. hold molecules together and create temporary connections that are essential to life
Down
- 1. the electrons in the outermost shell
- 2. consists of the mutual sharing of one or more pairs of electrons between two atoms
- 4. Elements on the Right Side of the Periodic Table
- 8. Ion with a Positive charge