Science and scientists

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Across
  1. 4. The arrangement of atoms within a molecule, which is determined by chemical bonds and the electron configuration of the atoms involved.
  2. 7. A stable subatomic particle with a charge of negative electricity, found in all atoms.
  3. 10. A chemical substance which can burn things if it’s strong. (Its pH value is lower than 7).
  4. 11. For example: two and two makes four.
  5. 13. To be able to use or obtain something
  6. 15. come up with a new way to say something.
  7. 17. Part of a whole number, for example a half or a quarter.
  8. 18. A mathematical operation that indicates how many times a number is added to itself.
Down
  1. 1. Attention credit.
  2. 2. Ability to learn it quickly and to do it well.
  3. 3. The speed of something in a given direction.
  4. 5. Cooperate, get together, join forces.
  5. 6. It makes acids chemically neutral. (It has a pH greater than 7).
  6. 8. An occasion when a person is publicly praised for having done something, such as their job, extremely well.
  7. 9. A mathematical operation which is the opposite of multiplication.
  8. 12. Positive feedback on results/performance.
  9. 14. It’s the smallest part of an element that can exist on its own.
  10. 16. The structure in a cell that contains the chromosomes.