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