Across
- 2. Bonds that transfer electrons
- 3. Bonds that share electrons
- 7. A chemical ____ is a link between atoms in a substance that determines its identity
- 8. A rule where atoms look for a complete outer level, so they share electrons to be stable
- 9. A ______ change is a change in size, shape, form, or identity
- 10. Group of atoms held together with chemical bonds.
Down
- 1. A chemical reaction occurs when chemical bonds are ____.
- 4. The smallest part of a substance that cannot be broken down chemically
- 5. A(n) ________ reaction happens when chemical bonds give off heat
- 6. A chemical ____ tells you the amount of electrons and atoms