Hosted

1
Jeopardy

• Hosted
• by
• Ms. Gould

2
Chemical Change
Elements
Compounds
Mixtures
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3
What is the Periodic Table?
If it is an element, it is found on this chart.

• Row 1, Col 1

4
What is chemically combined in a specific ratio?

A compound is 2 or elements combined in this way.
(Hint there are TWO parts to this)

• 1,2

5
What is heterogeneous?

A bag of gummy bears is this type of mixture.

• 1,3

6
What is new matter with new properties?
This is created after a chemical reaction occurs.

• 1,4

7
What is a metalloid?

A mysterious sample is shiny and it will conduct
some electricity but it is not ductile. This is
the category of elements that the sample would
best fit in.

• 2,1

8
What is 3?
This is the chemical formula for acetone,
OC(CH3)2. This is the number of Carbon atoms in
the formula for acetone.

• 2,2

9
What is the lemonade powder?
In a solution of lemonade powder and water, this
is the solute.

• 2,3

10
What is 2 Nitrogen atoms and 6 Hydrogen atoms?

N2 3H2 ? 2NH3 This is the number of and types
of atoms in the reactants of this chemical
equation.

• 2,4

11
What is Potassium?
I went to the local vitamin store to pick up this
supplement, it is signified with the symbol, K.

• 3,1

12
Compounds are chemically combined and mixtures
are physically combined
This is the difference between a compound and a
mixture.

• 3,2

13
What is a colloid?

The particles in this type of mixture are large
enough to scatter light but not heavy enough to
settle out.

• 3,3

14
What is electrolysis?

This is what it is called when we use electric
current to break down a compound.

• 3,4

15
What is density?

This characteristic property described as the
ratio of a samples mass over volume can be used
in determining the identity of an element.

• 4,1

16
What is chemically?

Compounds can only be broken down in this way.

• 4,2

17
What is concentration?
This describes the amount of solute dissolved in
an amount of solvent.

• 4,3

18
What are characteristic properties?
Flammability and reactivity are examples of this
type of chemical property that are the same no
matter the sample size.

• 4,4

19
What is magnetism?

Physical Property Substance 1 Substance 2
Boiling Point 1,310C 1,004C
Color Silvery white Silvery White
Other Magnetic Non-magnetic
This is how we can tell that substance 1 and 2
are not the same.

• 5,1

20
What are CH4 and 5O2 (methane and oxygen)?

CH4 5O2 ? CO2 2H2O 302 These are the
reactants.

• 5,2

21
What is a centrifuge?

This machine is used to separate mixtures
according to their densities.

• 5,3

22
What is bubbling, foaming, smell, color change,
hot gas formed, or light given off?
These are 3 examples of things that may occur to
signify that a chemical change has taken place.

• 5,4