basic chemistry

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Across
  1. 4. change involve changing shape, physical state, size, temperature without changing chemical identity.
  2. 6. Compound contain hydrogen and oxygen, all the sources of energy in your diet.
  3. 9. mixture uniform distribution of particles throughout
  4. 10. are substances that are put together but not chemically combined.
  5. 11. substance ismatter in which all the basic units are the same, either elements or compounds, elements important for good health.
Down
  1. 1. change occurs whenever new substances with different chemical and physical properties are formed.
  2. 2. one kind of atom, food processing can strip some foods of vital elements.
  3. 3. mixture non-uniform distribution of particles
  4. 5. bonds is formed when atoms share one or more [airs of electrons
  5. 7. is the study of the makeup, structure, and properties of substances and the changes that occur to them.
  6. 8. bonds electrons are transferred from one atom to another and it causes both atoms to have a charge.