Across
- 3. Horizontal columns in the periodic table.
- 5. Vertical columns in the periodic table.
- 6. Smallest particle.
- 8. Corrosive substances.
- 10. Also known as concentration of a solution.
- 12. Substances that have no bonds between them.
- 15. Found in chemicals.
- 17. Group 7A.
- 18. Total number of protons and neutrons.
- 20. Oxidation-reduction reactions are called this.
- 22. Ion with a - charge.
- 23. Negative part of an atom.
- 26. A process that absorbs heat.
- 27. Insoluble substance.
- 29. From the sun.
- 30. A matter that has a definite composition.
Down
- 1. Substance composed of 2+ elements.
- 2. A process that releases heat.
- 4. Capacity to do work.
- 7. Directed change of energy as a result of a process.
- 9. What subject is this?
- 11. Positive part of an atom.
- 13. The thing we dissolve in.
- 14. Based on position.
- 16. Erosive substances.
- 19. Group 1A.
- 21. The thing that gets dissolved.
- 24. Ion with a + charge.
- 25. Amount of substance.
- 28. From heat.