Across
- 2. A pure substance that cannot be separated into a simpler substance by physical means
- 3. A pure substance composed of 2 or more elements that are chemically combined
- 6. Scientist credited with organizing the modern periodic table by properties of known elements
- 7. smallest unit of an element that can maintain properties of that element
- 9. Solids, can conduct heat better than nonmetals but not metals
- 10. A substance that has definite physical and chemical properties
Down
- 1. abbreviation that represents an element on the periodic table
- 4. Organized chart of the elements found on earth based on their properties, chemical symbol, and classification
- 5. Hydrogen, Carbon, Oxygen, Nitrogen, Sulfur, Selenium, Phosphorus
- 8. Nickel, Copper, Titanium, Calcium, Sodium