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.