Across
- 4. One name for the vertical columns on the periodic table
- 6. Used to decrease the concentration of a solution
- 8. Name for group 17 elements
- 10. These are used to speed up a chemical reaction
- 11. ________ compounds are formed between a cation and anion
- 12. Changing phase is an example of a ___________ change
- 14. The SI base unit of distance in the metric system
- 17. A reaction where a hydrocarbon burns in oxygen
- 19. Bunsen _______________
- 21. A reaction that releases heat from the system
- 23. Element P
- 25. kg unit
- 27. A mixture with non-uniform appearance
- 29. Will produce H+ ions when in water
- 30. Will produce OH- when in water
- 31. Used to measure the mass of something in the lab
- 33. Element F
- 34. The center of an atom that contains both protons and neutrons
- 35. A negatively charged ion
- 36. A temperature scale used in science
Down
- 1. A naturally occurring radioactive element
- 2. Worn to protect your eyes in the lab
- 3. A bond between two atoms sharing electrons
- 5. Substances to the left of the arrow in a chemical reaction
- 7. A negatively charged subatomic particle
- 9. Subatomic particle with no charge
- 13. A solution in which water is the solvent
- 15. A reaction that produces only one product
- 16. The name for a substance with two or more atoms chemically bonded to one another
- 18. A measure of the average kinetic energy in a substance
- 20. The lightest noble gas element
- 22. We need this element to live
- 24. One name for the horizontal rows on the periodic table
- 26. Aluminum is categorized as a ______________
- 28. One of the most common solvents
- 32. The state of matter with very little space between atoms