Examine their labels that list chemicals and ingredients.

Purpose:
The study of elements and compounds is called “chemistry”. It is the basis of our body, our food, and many materials used in our everyday life. Pay attention to the great variety of colors, textures, phases, and other properties in the materials that surround you. We can explain the differences in physical and chemical properties of the materials that make up our world by examining their composition and structure. There are many types of chemical bonds and forces that bind molecules together. The two most basic types of bonds are characterized as either ionic or covalent. In this chapter, you were introduced to the basic structure of atoms and formation of molecules and ions. This knowledge provides you with the foundation you need to understand chemical processes/reactions and the chapters that follow.

Task:
To complete this assignment, you should:

Pay attention to your household items (liquid soap, shampoo, cereal, can of soup, detergent, etc.).
Choose and clearly identify one or two household items.
Examine their labels that list chemicals and ingredients.
Using the information about elements, molecular compounds and ionic compounds in Chapters one and two, find and identify one element, one molecular (covalent) compound and one ionic compound.
Provide names and formulas for your element, molecular and ionic compound.
identify one physical property or one chemical property for each.
Discuss the difference between an element, a molecular compound, and an ionic compound.

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