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