Across
- 1. a substance made of atoms of more than one element bound together.
- 4. force with which gravity pulls on a quantity of matter
- 5. anything that has mass and occupies space
- 6. the smallest particle that has the properties of an element.
- 9. a value written as a simple number multiplied by a power of 10.
- 10. any matter that has a fixed composition and definite properties.
Down
- 2. combination of more than one pure substance.
- 3. the chemical symbols and numbers indicating the atoms contained in the basic unit of a substance.
- 7. a measure of the quantity of matter in an object
- 8. measure of space