Across
- 5. -a mixture that has a non-uniform composition
- 6. -the measurement of how tightly a material is packed together
- 7. -how much space an object or substance takes up
- 10. -a particle of matter that uniquely defines a chemical element
- 12. - combining two or more
- 14. -
- 16. -a gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample
Down
- 1. -a given chemical compound always contains the same elements in the exact same proportions by mass
- 2. - a theory that explains how the particles that make up a substance are arranged, and how they move and interact with each other
- 3. -a sample of matter that conforms to the shape of a container in which it is held, and which acquires a defined surface in the presence of gravity.
- 4. - a force that acts at all times on all objects near Earth
- 8. - anything that takes up space and can be weighed
- 9. -a state of matter that retains its shape and density when not confined
- 11. -When two or more elements chemically combine in a fixed ratio by mass
- 13. - a large body of matter with no definite shape
- 15. - any substance that cannot be decomposed into simpler substances by ordinary chemical processes.
- 17. -a group of atoms bonded together