Across
- 2. The pull of gravity on an object.
- 5. What is the center of the atom called?
- 7. What are particles with more than one atom joined together?
- 8. The amount of matter in a space.
- 11. What is the smallest part of an element?
- 13. ______ are shiny when polished.
- 14. The tool that is used to see elements.
- 15. how many hydrogen atoms does water (H2O) have?
- 16. State of matter with a definite volume but not shape.
- 17. Anything that takes up space and has mass.
- 19. The number of protons equals the _____.
Down
- 1. _____ is the wearing away of metals.
- 3. Matter that is made of one kind of atom and can't be broken down.
- 4. State of matter without a definite volume or shape.
- 6. All elements are metals, nonmetals, or ____.
- 9. The part of the atom with a negative charge is called ___.
- 10. Chlorine is a _____ that is used to kill bacteria.
- 12. ______ is measured with a balance.
- 14. If an object can be bent or shaped.
- 18. State of matter with a definite shape and volume.