Across
- 2. The scientist credited with organizing the modern periodic table by properties of known elements
- 6. A substance that has definite physical and chemical properties; stands alone
- 7. A substance made up of 2 or more elements
Down
- 1. Abbreviation that represents an element on the periodic table
- 3. A substance that cannot be broken down
- 4. the smallest unit of an element that can maintain the properties of that element
- 5. Shiny, Good conductor of heat and electricity, high density,high melting point,ductile, and malleble