Across
- 1. A table of all known elements arranged by atomic number
- 5. Horizontal rows in the periodic table
- 6. The smallest particle of an element that has all the characteristics of that element
- 8. The variable that is being tested (effect)
- 9. Made up of all of the same types of atoms
- 11. Two or more elements that are chemically combined
- 15. A heterogeneous mixture, particles don't dissolve
- 16. Formed from the chemical reaction between an acid and a base
- 18. Two or more substances that are combined physically
- 19. A substance with a pH greater than 7
- 21. Has a definite shape and a definite volume
- 22. The amount of a substance in a defined space
- 24. Located outside the nucleus and has a negative charge
- 26. A chemical reaction between an acid and a base
Down
- 2. The variable that the experimenter changes (cause)
- 3. The amount of space an object takes up
- 4. Positively charged particle located within the nucleus
- 5. A scale (0-14) to classify substances as acids or bases
- 6. Compounds that have a pH less than 7
- 7. A different ratio of substances throughout
- 10. The same ratio of substances throughout
- 12. Also known as family, vertical column in periodic table
- 13. The center of an atom
- 14. Has to do with motion, related to motion
- 17. Has a definite volume but not a definite shape
- 20. The ability to do work
- 23. Particle located in the nucleus with no charge
- 25. Has an indefinite shape and an indefinite volume