Across
- 2. Is a solid's volume definite?
- 3. a part or step in a process
- 7. what does the symbol of an element stand for?
- 10. molecules composed of only two atoms
- 12. This is not liquid or fluid
- 14. What does Au stand for?
- 15. matter which has a specific composition and specific properties
- 17. a chemical element (as boron, carbon, or nitrogen) that lacks the characteristics of a metal
- 19. of the same or a similar kind or nature
- 20. short representation of a chemical element
- 21. basic unit of a chemical element
- 22. having no definite or clear shape or form
- 24. Any substance that has a uniform and unchanging composition is considered to be pure
- 25. he substance of which a physical object is composed
- 26. positively charged ion
- 27. what represents name of an element?
Down
- 1. A group of interacting, interrelated, or interdependent elements forming a complex whole,
- 4. number of atoms in a molecule
- 5. consisting of dissimilar or diverse ingredients or constituents : mixed
- 6. a substance that usually has a shiny appearance, is a good conductor of electricity and heat, and is usually capable of being shaped
- 8. composed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid
- 9. substance formed when two or more chemical elements are chemically bonded together
- 11. rule expressed in symbols
- 13. state of matter that doesn't have a defined volume nor shape
- 16. the smallest physical unit of an element or compound
- 18. an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons
- 21. negatively charged ion
- 23. a chemical element with properties intermediate between those of typical metals and nonmetals