Honors Chemistry Lab Activity 1:1 Identifying Elements, Compounds

advertisement
Honors Chemistry
Lab Activity 1:1
Identifying Elements, Compounds, and Mixtures
Directions: Read through the review chart below and then answer the pre - lab questions. Do
this on your own paper
Procedure: Rotate through each of the stations identifying each presented substance as an element,
compound, or mixture. If it is a mixture, be sure to include whether it is homogeneous or heterogeneous.
For each conclusion, write your observations that led you to your conclusion and a meaningful reason for
your classification .Do this on your own paper
Station 1: Oil and water in a beaker
Description/Observations
Classification:
Description/Observations
Station 2: Copper (Cu) wire
Description/Observations
Classification
Description/Observations
Station 3: Chalk (CaCO3)
Description/Observations
Classification:
Description/Observations
Station 4: Sand and Salt
Description/Observations
Classification
Description/Observations
Station 5: Orange Juice
Description/Observations
Classification:
Description/Observations
Station 6: Egg salad sandwich
Description/Observations
Classification
Description/Observations
When you are finished:
There will be an unknown substance in a beaker on each lab table. You do not know whether this is a
pure substance or homogenous mixture. Propose and describe a procedure that you might carry out in
order to establish the classification of this substance. Describe your procedure and report on your
conclusion.
Download
Related flashcards
Metallocenes

38 Cards

Mineral acids

48 Cards

Name reactions

44 Cards

Create flashcards