Lab 2: Basic Chemistry

    The introduction to this part can be accessed by doing the f

4 Click on the Course Content link (left menu).

5 Click on Course Modules.

6 Click on 1. Module 1: Chemical and Energetic Processes within Cells

          Click on Labs, then Lab 2: Basic Chemistry.

    Lab parts:

    A. Atoms and Elements

    B. Properties of Water

9 1.Powdered Sugar Activity
    2.Food Coloring Activity
    3.Ice Activity
    4.Raw Egg Activity
    5.Cooking Oil Activity

    C. pH Testing

    D. Molecular Changes

12 1.Salt Activity
    2.Match Activity
    3.Testing for the Presence of Starch, Using Iodine as an Indicator
    4.Testing for the Presence of Sugar, Using Benedict's Solution

    E. Summary

14 Note: Submit all your answers by typing in this MSWord document - DO NOT FILL IN THE ONLINE ANSWER BOXES!

15 [pic]

16 Then after saving your MSWord document (yourname biol 102 lab 2.doc), attach it to your Assignments folder (look for the week 2 - Chemistry link).


    A. Atoms and Elements

1 Lab Materials

      Materials in your lab kit:

        • none

      Additional materials you will need:

        • You may print the table or refer to it online at:

        Downloadable periodic table:

2 Activity

  1. Using a periodic table of the elements, fill in the following chart:

|                    |Atomic Number       |Atomic Weight       |Number of Protons   |Number of Neutrons   |Number of Electrons |Type(s) of Bond this|
|                   |                     |                     |                     |                     |                     |Atom can form       |
|Hydrogen           |1                   |1.008               |1                   |0...