Chemistry

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Across
  1. 4. Type of bond forms between ions of opposite charges
  2. 7. Positive ion formed by losing electrons
  3. 8. Particle with no charge that lives in nucleus
  4. 10. Weak bond between hydrogen and other elements
  5. 11. Negatively charged particle; lives in orbital
Down
  1. 1. Strong bond that forms when electrons are shared
  2. 2. Two words: number of protons in an atom
  3. 3. Negative ion formed by gaining electrons
  4. 5. Variations of a element: has diff. # of neutrons
  5. 6. Basic unit of matter that cannot be broken down
  6. 9. Positively charged particle that lives in nucleus