Across
- 1. a substance that cannot be broken down into simpler substances by chemical means
- 2. mixture a mixture in which substance are not distributed evenly; example: a salad, pepperoni pizza, dirt
- 5. two or more atoms held together by bonds
- 7. particles found inside the nucleus with a positive charge
- 8. measure of the amount of matter in a substance
- 10. a characteristic of a substance that cannot be observed without changing the identity of the substance
- 12. any substance, usually liquid, which is capable of dissolving one or several substances, thus creating a solution
- 14. matter made up of two or more substances that are no joined chemically
- 15. horizontal row on the Periodic Table
- 17. a characteristic of substance that can be observed directly (what you can see, what you can feel, what you smell) or can be measured with a tool without changing the identity of the substance
- 18. particles found inside the nucleus of every atom
Down
- 1. particles with a negative electricity found within all atoms
- 2. a mixture in which substances are evenly distributed; example: a solution, milk, sugar water
- 3. vertical column on the Periodic Table; elements in the column share similar properties; also known as a Family
- 4. a constant term related to the properties of a product
- 6. a pure substance that forms when two or more elements join chemically in a fixed proportion
- 9. number the number of protons in the nucleus of an atom; found in top of element box
- 11. the basic unit of a chemical element
- 13. a character, usually a letter or number, that's printed slightly below and to the side of another character.
- 16. the ability of a substance to be hammered or beaten into thin sheets