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chemical science - Coggle Diagram

- - - - substance changes without changing composition or identity
      - melting of ice
      - nonew substance formed
      - temporary and can be reversed
    - - changes composition and identity
      - rusting of iron
      - atoms break apart, rearrange, and combine chemically to form new substances
      - different properties
      - change in color, formation of insoluble solids and gas,
      - energy can be taken in or given out
- - - - heated in the presence of oxygen
      - carbon monoxide or soot is produced incomplete combustion
    - - single compound breaks into 2 or more simpler substances when heated
  - - - substance gains oxygen
      - rusting
  - - - coat surface with a layer of metal
      - coating to conduct electricity
  - - - chemical reaction when green leaves are exposed to light
    - - decomposition when exposed to light particularly ultraviolet rays or visible light