Students test properties of element samples in class and complete this accompanying Formative.
5
5
5
5
Required
5
At each station, you will test a different property. Based on what you know about the properties of metals and nonmetals, classify the samples. More specific instructions will be included for each station.
Question 1
1.
Gently tap each sample with a hammer. Observe how the sample responds. Categorize it as malleable or brittle.
Aluminum
Sulfur
Magnesium
Carbon
Zinc
Malleable
Question 2
2.
Shine a flashlight on the sample and observe its ability to reflect light. Categorize is as having luster or not.
Aluminum
Sulfur
Magnesium
Carbon
Zinc
Luster
Question 3
3.
Place a small piece of each sample into its own chem plate well. Add a pipette full of hydrochloric acid to the well and observe the reactivity of the sample. Categorize each sample by its reactivity.
Magnesium
Zinc
Aluminum
Carbon
Sulfur
Question 4
4.
Based on the malleability, luster, and reactivity that you observed at each lab station, categorize each element as a metal or nonmetal.
Aluminum
Sulfur
Carbon
Magnesium
Zinc
Metal
Question 5
5.
Justify your answers to item 4. Why did you classify each element the way you did?