1. Mixtures and Compounds
Notes
SPI
Mixtures and Compounds
Science
Learning Intention: Differentiate between mixtures and compounds.
Purpose: to understand that not all combinations of matter result in chemical reactions.
Success Criteria
I will show that I understand this topic by earning a 90 or
higher on the quiz.
I Can Statement
By the end of this unit I will be able to say...
...I can tell the difference between mixtures and compounds.

2. Air Steel Salt Water Blood Milk H2O NaCl CO2 C6H12O6
What is a Mixture?
When you combine two or more substances together,
if no chemical reaction occurs, then it is called a mixture.
Any changes you observe are only physical changes.
No new substances are formed in mixtures.
Mixtures can be fairly easily separated back into their parts.
Mixture Examples:
Air
Steel
Salt Water
Blood
Milk
What is a Compound?
two or more different elements that are chemically bonded in a chemical reaction to form a new substance.
compounds CAN NOT be easily separated
Compound Examples:
H2O
NaCl
CO2
C6H12O6

3. Science Notes Two Ways How do I know if something is a mixture or not?
SPI
Mixtures or Compounds
Notes
Science
How do I know if something is a mixture or not?
Two Ways
1) Mixtures can be fairly easily taken back apart.
2) If no chemical reaction occurred when you
combined the substances, then it is a mixture.

4. How to separate apart mixtures
Four Methods
By hand
By filtration
By distillation
By magnetism

5. How do I recognize compounds?
Remember: compounds are formed during chemical reactions.
So, when you combine two or more items, if you observe
indications of a chemical reaction, then it is a compound and
not a mixture
Note: Below are some common indicators of chemical reactions.
Remember our memory tricks: HOPESR and 4FP4CG.
Explosion
Flash or Light
Temp. change
Smoke/odor/gas
Sound (sizzle, snap, crackle, pop, whistle, bang, or boom)
Fizzing or Foaming
Precipitate is formed
If you don't see one or more of these indicators,
then it probably is a mixture and not a compound.

6. Air N O Ar EXAMPLE: A Mixture
Nitrogen 7 N
14.0
Oxygen 8 O
16.0
Argon 18 Ar
39.9
78% Nitrogen, 21% Oxygen, 1% Argon and other gases
When these items mix together no chemical reaction occurs.

7. Steel Fe C EXAMPLE: A Mixture SPI 0807.9.4 SPI 0807.9.4
Mixtures or Compounds
SPI
Mixtures or Compounds
EXAMPLE:
A Mixture
Steel
Iron 26 Fe
55.8
Carbon 6 C
12.0
98.5% Iron (Fe) and 1.5% Carbon (C)
When these items are mixed together no chemical reaction occurs.

8. Salt Water EXAMPLE: A Mixture SPI 0807.9.4 Mixtures or Compounds
Atlantic Ocean
Pacific Ocean
Saltwater Ingredients:
3.5 % dissolved salts (mostly NaCl) and 96.5%Water (H2O)
When these items are mixed together no chemical reaction occurs.

9. Blood EXAMPLE: A Mixture SPI 0807.9.4 Mixtures or Compounds
Blood Ingredients:
55% Plasma (consists of 90% water, 8% Protein, 2% other)
45% Red/White blood cells and Platelets
When these items mix together no chemical reaction occurs.

10. Milk EXAMPLE: A Mixture SPI 0807.9.4 Mixtures or Compounds
Milk Ingredients:
88% Water, 5% Carbohydrates, 3% Fat, 3% Protein, 1% Minerals
When these items are mixed together no chemical reaction occurs.

11. MORE EXAMPLES: Mixtures
SPI
Mixtures or Compounds
MORE EXAMPLES: Mixtures
Bag of Sand
Soup
Salad
Rock and Mineral Particles
Water, noodles, chicken, vegetables
Lettuce, tomatoes, carrots, spinach
No chemical reaction occurs when these mixtures are formed.
(Only physical changes!)

12. Mixtures MORE EXAMPLES SPI 0807.9.4 Mixtures or Compounds
Energy Drinks
Soft Drinks
Tea
Kool-Aid Drinks
No chemical reaction occurs when these mixtures are formed.
(Only physical changes!)

13. MORE EXAMPLES: Mixtures
Hamburgers
Tacos
Pizza
No chemical reaction occurs when these mixtures are formed.
(Only physical changes!)
Note: Cooking results in chemical reactions.
However, combining items after cooking forms mixtures.

14. Kool-Aid drink is a mixture
NOTE: A mixture may contain one or more compounds, as long
as they do not react with each other (like Kool-Aid for example)
Kool-Aid drink is a mixture
Kool-Aid Ingredients:
Water, sugar, flavoring agent, and a coloring agent
Kool-Aid contains two compounds:
(A) water (H2O) & (B) sugar/sucrose (C12H22O11).
Yet these ingredients DO NOT chemically react with each other.

15. Is this a mixture or a compound?
Review
Activity
SPI
Mixtures or Compounds
Science
Is this a mixture or a compound?
Write a capital M if you think it is a mixture.
Write a capital C if you think it is a compound.
Why?…The ingredients DO NOT chemically combine
Ingredients: Water, carbohydrates, fat, protein, etc.
Milk
Mixture

16. Monster Energy Drink Mixture Science Is this a mixture or a compound?
Review
Activity
SPI
Mixtures or Compounds
Science
Is this a mixture or a compound?
Write a capital M if you think it is a mixture.
Write a capital C if you think it is a compound.
Why?…The ingredients DO NOT chemically combine
Ingredients: Water, caffeine, sugar, coloring, and flavor
Monster Energy Drink
Mixture

17. C6H12O6 (Glucose) Compound Science Is this a mixture or a compound?
Review
Activity
SPI
Mixtures or Compounds
Science
Is this a mixture or a compound?
Write a capital M if you think it is a mixture.
Write a capital C if you think it is a compound.
(Glucose)
Why? ...has 3 atoms chemically bonded together
C6H12O6
Compound
A chemical formula with more than one capital letter is a compound.

18. Is this a mixture or a compound?
Review
Activity
SPI
Mixtures or Compounds
Science
Is this a mixture or a compound?
Write a capital M if you think it is a mixture.
Write a capital C if you think it is a compound.
Why? …The ingredients DO NOT chemically combine
Ingredients: Water, chicken, vegetables, noodles, salt, etc.
Chicken Soup
Mixture

19. CO2 (Carbon Dioxide) Compound Science Review Activity
SPI
Mixtures or Compounds
Science
Is this a mixture or a compound?
Write a capital M if you think it is a mixture.
Write a capital C if you think it is a compound.
(Carbon Dioxide)
Why? ...has 2 atoms chemically bonded together
CO2
Compound
A chemical formula with more than one capital letter is a compound.

20. Salt Water Mixture Science Is this a mixture or a compound?
Review
Activity
SPI
Mixtures or Compounds
Science
Is this a mixture or a compound?
Write a capital M if you think it is a mixture.
Write a capital C if you think it is a compound.
Why? …The ingredients DO NOT chemically combine
Ingredients: Water and Salt
Salt Water
Mixture