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Classifying Matter: Elements, Compounds, and Mixtures.

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Classifying Matter: Elements, Compounds, and Mixtures
Transcript
Page 1: Classifying Matter: Elements, Compounds, and Mixtures.

Classifying Matter:Elements, Compounds, and

Mixtures

Page 2: Classifying Matter: Elements, Compounds, and Mixtures.

Pure Substances

A sample of matter that has definite chemical and physical properties.

Page 3: Classifying Matter: Elements, Compounds, and Mixtures.

Elementspure substance that cannot be separated into

simpler substance by physical or chemical means.

Page 4: Classifying Matter: Elements, Compounds, and Mixtures.

Compounds

Pure substance composed of two or more different elements joined by chemical bonds.

Made of elements in a specific ratio that is always the sameHas a chemical formulaCan only be separated by chemical means, not physically

Page 5: Classifying Matter: Elements, Compounds, and Mixtures.

Mixtures

A combination of two or more pure substances that are not chemically combined.

substances just mixed together No chemical change takes place Each item retains its properties

in the mixture

Chem4kids.com

Page 6: Classifying Matter: Elements, Compounds, and Mixtures.

Pure Substances and Mixtures

Page 7: Classifying Matter: Elements, Compounds, and Mixtures.

Which is it?

ElementCompoundMixture

Page 8: Classifying Matter: Elements, Compounds, and Mixtures.

Can you identify the following?

You will be shown a series of photos. Tell if each photo represents an item composed of an element, compound, or mixture.

Review:An element contains just one type of atom. A compound contains two or more different

atoms joined together. A mixture contains two or more different

substances that are only physically joined together, not chemically.A mixture can contain both elements and

compounds.

Page 9: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Rocks

Page 10: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Rocks

Page 11: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Copper

Page 12: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Copper

Page 13: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Jelly Beans

Page 14: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Jelly Beans

Page 15: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Table Sugar

Page 16: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Table Sugar

Page 17: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Diamond

Page 18: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Diamond

Page 19: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Tea

Page 20: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Tea

Page 21: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Salt

Page 22: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Salt

Page 23: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Neon Gas

Page 24: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Neon Gas

Page 25: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Salad

Page 26: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Salad

Page 27: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Pure Water

Page 28: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Pure Water

Page 29: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Aluminum

Page 30: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Aluminum

Page 31: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Lemonade

Page 32: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Lemonade

Page 33: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Silver

Page 34: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Silver

Page 35: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Sand

Page 36: Classifying Matter: Elements, Compounds, and Mixtures.

Element, Compound, or Mixture?

Sand

Page 37: Classifying Matter: Elements, Compounds, and Mixtures.
Page 38: Classifying Matter: Elements, Compounds, and Mixtures.
Page 39: Classifying Matter: Elements, Compounds, and Mixtures.

Classifying Matter

Page 40: Classifying Matter: Elements, Compounds, and Mixtures.

NotesDetailed notes are located at:http://www.middleschoolscience.com/elements-compounds-mixtures-notes-isn.pdf

Flow Chart:http://www.middleschoolscience.com/matter-flow-chart-isn.pdf


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