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Classifying Matter: Elements, Compounds, and Mixtures

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Classifying Matter: Elements, Compounds, and Mixtures Element, Compound, or Mixture? Silver Element, Compound, or Mixture? Sand Element, Compound, or Mixture? – PowerPoint PPT presentation

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Title: Classifying Matter: Elements, Compounds, and Mixtures


1
Classifying Matter Elements, Compounds, and
Mixtures
2
Revisit Matter
  • http//ippex.pppl.gov/interactive/
  • Click and follow interactive prompts, write down
    any notes about matter and answer the question
    that follow.

3
Pure Substances
  • A sample of matter that has definite chemical and
    physical properties.

Atoms
Elements
Compounds
Molecules
4
Elements
  • pure substance that cannot be separated into
    simpler substance by physical or chemical means.

5
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 same
  • Has a chemical formula
  • Can only be separated by
  • chemical means, not physically

H2O
NaCl
CO2
6
Mixtures
  • A combination of two or more pure substances that
    are not chemically combined.
  • substances held together by physical forces, not
    chemical
  • No chemical change takes place
  • Each item retains its properties
  • in the mixture
  • They can be separated physically

Chem4kids.com
7
Mixtures vs. Compounds
http//www.bbc.co.uk/schools/ks3bitesize/science/c
hemistry/elements_com_mix_6.shtml
8
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.

9
Element, Compound, or Mixture?
  • Rocks

10
Element, Compound, or Mixture?
  • Rocks

11
Element, Compound, or Mixture?
  • Copper

12
Element, Compound, or Mixture?
  • Copper

Cu
13
Element, Compound, or Mixture?
  • Jelly Beans

14
Element, Compound, or Mixture?
  • Jelly Beans

15
Element, Compound, or Mixture?
  • Table Sugar

16
Element, Compound, or Mixture?
  • Table Sugar

C12H22O11
17
Element, Compound, or Mixture?
  • Diamond

18
Element, Compound, or Mixture?
  • Diamond

C
19
Element, Compound, or Mixture?
  • Tea

20
Element, Compound, or Mixture?
  • Tea

21
Element, Compound, or Mixture?
  • Salt

22
Element, Compound, or Mixture?
NaCl
  • Salt

23
Element, Compound, or Mixture?
  • Neon Gas

24
Element, Compound, or Mixture?
Ne
  • Neon Gas

25
Element, Compound, or Mixture?
  • Salad

26
Element, Compound, or Mixture?
  • Salad

27
Element, Compound, or Mixture?
  • Pure Water

28
Element, Compound, or Mixture?
  • Pure Water

H2O
29
Element, Compound, or Mixture?
  • Aluminum

30
Element, Compound, or Mixture?
  • Aluminum

Al
31
Element, Compound, or Mixture?
  • Lemonade

32
Element, Compound, or Mixture?
  • Lemonade

33
Element, Compound, or Mixture?
  • Silver

34
Element, Compound, or Mixture?
  • Silver

Ag
35
Element, Compound, or Mixture?
  • Sand

36
Element, Compound, or Mixture?
  • Sand

37
(No Transcript)
38
Notes GO HERE NEXT PLEASE!
  • Detailed notes are located at
  • Next go to Power Point Unit 1 Matterphys_and_chem
    _changes
  • Flow Chart
  • http//www.middleschoolscience.com/matter-flow-cha
    rt-isn.pdf
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