Chapter 2 Vocabulary

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