Across
- 2. _______ bond formed between nonmetals
- 5. When your marshmallows burn
- 6. Chemically combined atoms
- 9. Takes in heat
- 10. itty bitty little things made of electrons, protons, and neutrons
Down
- 1. A collections of letters and numbers that depict an atom; chemical _______
- 3. ______ bond formed between metals and nonmetals
- 4. Layers of electrons
- 7. Gives off heat
- 8. Formed between elements