Across
- 2. a material made of two or more elements that have the properties of a metal
- 5. an element of group 18 of the periodic table
- 6. a term used to describe a material that can be pulled out into a wire
- 9. elements in the same vertical column of the periodic table
- 10. a term used to describe material that can be hammered or rolled into shapes
- 12. a one or two letter set of characters that is used to identify an element
- 13. an atom or group of atoms that has become electrically charged
- 15. a neutral particle made of two or more atoms joined by covalent bonds
- 18. two or more substances that are mixed together but not chemically combined
- 19. a small positively charged particle that is found in the nucleus of an atom
- 20. anything that has mass and takes up space
Down
- 1. an orderly, three-dimensional pattern of ions or atoms in a solid
- 3. created by the attraction between oppositely charged ions
- 4. an element belonging to group 17 of the periodic table
- 7. a substance made up of two or more elements chemically combined in a specific ratio
- 8. elements in the same horizontal row of the periodic table
- 11. a negatively charged particle that moves around the nucleus of an atom
- 14. a substance that can not be broken down into any other substance by chemical or physical means
- 16. a small uncharged particle that is found in the nucleus of an atom
- 17. the smallest particle of an element