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Bonds. 9 th grade physical science 2010-2011. Compounds and mixtures. In your notebook define element, molecule, mixture, and compound. Think of how they can be different. What do the words mean?. Compound. Element Molecule Compound Mixture. Definitions.

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bonds

Bonds

9th grade physical science 2010-2011

compounds and mixtures
Compounds and mixtures
  • In your notebook define element, molecule, mixture, and compound. Think of how they can be different. What do the words mean?
compound
Compound
  • Element
  • Molecule
  • Compound
  • Mixture
definitions
Definitions
  • Now go back and redefine them can you make those definitions better.
definitions1
Definitions
  • Mixture is made up of different substances that are just placed together. Each substance in the mixture has its own properties.
  • Compounds always have the same chemical formula. They always have the same elements in the same ratios.
  • Molecules are an individual piece of a compound
  • Elements are the building blocks of everything. Each has its own properties.
reaction of zn and i 2
Reaction of Zn and I2
  • What are 5 compounds that we have observed in this class?
  • What are 5 mixtures that we have been in this class?
  • Observe the reaction of Zn and I2. Write down observations. Were there compounds formed? How do you know?
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