Chemistry

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