Across
- 2. what holds together a molecule.
- 6. a type of bond between atoms that share electrons
- 8. what lets you see what elements a molecule contains
- 9. a type of reaction that gives of heat
- 10. the outermost negatively charged subatomic particles that help atoms bond with one another
Down
- 1. a type of reaction that takes in heat
- 3. when this happens the chemical properties, physical properties, and chemical bonds are changed
- 4. a group of atoms
- 5. contains protons, neutrons, and electrons
- 7. a type of bond that transfers electrons between atoms and bonds the atoms
- 9. a negatively charged subatomic particle