science

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Across
  1. 4. what does photosynthesis use
  2. 7. How is the atomic mass calculated in an atom?
  3. 11. one kind of a covalent bond (starts with c)
  4. 14. What is contained in the nucleus of an atom?
  5. 15. the lowest penetrating power of the three types of radiation
Down
  1. 1. what does cellular respiration produce
  2. 2. When there is a(n) __________________ in electrons the atom becomes more
  3. 3. where does cellular respiration happen
  4. 5. → AB What is the formula for synthesis?
  5. 6. while when there is a(n) __________________ in electrons the atom
  6. 8. do chemical reactions happen inside or outside the nucleus
  7. 9. more positive.
  8. 10. where does photosynthesis happen
  9. 12. does a nuclear reaction take place inside or outside the nucleus
  10. 13. What aspect of water makes it capable of dissolving molecules?