chapter 1 vocabulary
Across
- 4. a blend of two or more kinds of matter, each of which retains its own identity and properties
- 5. the study of the composition, structure and properties of matter and the changes it undergoes
- 8. an element that has some characteristics of metals and some characteristics of nonmetals
- 11. a high-temp physical state of matter in which atoms lose their electrons
- 12. a substance that reacts in a chemical change
- 14. a change in substance that can be observed without changing the substance's chemical composition
- 16. a property that does not depend on the amount of matter present
- 17. a substance that is formed by a chemical change
- 21. a horizontal row of elements in the periodic table
- 22. a pure substance made of only one kind of atom
- 25. a reaction in which one or more substances are converted into different substances
- 27. a substance that has a fixed composition and differs from a mixture in that every sample of a given pure substance has exactly the same characteristic properties and composition
- 28. anything that has mass and takes up space
- 29. the state of matter in which the substance has definite volume and definite shape
- 30. a vertical column of the periodic table
Down
- 1. the state of matter in which the substance has a definite volume but an indefinite shape
- 2. any substance that has a definite composition
- 3. the process of converting one substance into another substance
- 5. the ability to undergo chemical reactions that transform the item into different substances
- 6. not having a uniform composition throughout
- 7. anything that can be observed about a substance without changing its identity
- 9. the state of matter in which a substance has neither definite volume nor definite shape
- 10. a property that depends on the amount of matter that is present
- 13. a substance that is made from the atoms of two or more elements that are chemically bonded
- 15. a homogeneous mixture of two or more substances in a single phase
- 18. having a uniform composition throughout
- 19. the smallest unit of an element that maintains the properties of that element
- 20. an element that is a good conductor of heat and electricity
- 23. a measure of the amount of matter
- 24. a vertical column of the periodic table
- 26. an element that is a poor conductor of heat and electricity