Across
- 2. Form of matter that flows, has constant volume and takes the shape of its container
- 4. Matter that has a definite composition
- 6. Pure substance that cannot be broken down into simpler substances
- 8. Negative charge particle
- 10. The smallest particle of an element that retains all the properties of that element
- 11. A measure of the average kinetic energy of the particles in a sample of matter
- 13. A measure that reflects the amount of matter
- 16. Positively charged particle
- 18. The starting substance in a chemical reaction
- 20. Type of mixture that has a uniform composition
- 23. Ion with negative charge
- 25. Form of matter that conforms to the shape of the container and is easily compressed
- 26. Extremely small, dense center of an atom
- 29. Type of change that alters the physical properties of a substance but does not change its composition
- 30. Type of mixture where the individual components remain distinct
Down
- 1. Physical blend of two or more substances
- 3. A form of energy that flows from a warmer object to a cooler object
- 5. Ion with positive charge
- 7. The capacity to do work or produce heat
- 9. A process that involves one or more substances changing into new substances
- 12. Substance formed during a chemical reaction
- 14. Substance dissolved in a solution
- 15. A chemical combination of two or more different elements
- 17. Chart that organizes all known elements into rows and columns arranged by increasing atomic number
- 19. A chemical bond that results from sharing of valence electrons
- 21. Anything that has mass and takes up space
- 22. Neutral subatomic particle
- 24. An atom with a positive or negative charge
- 27. Substance that dissolves a solute in a solution
- 28. The study of matter and the changes that it undergoes