Homework #1 Semester 2: Due July 9th 2013

1. A. Physical Property 
    B. Physical Property
    C. Chemical Property
    D. Physical Property

2. A. Physical Property
    B. Physical Property
    C. Physical Property
    D. Chemical Property

3. A. Chemical Property
    B. Chemical Property 
    C. Chemical Property
    D. Physical Property

4. A. Chemical Change
    B. Physical Change
    C. Chemical Change
    D. Chemical Change

5. A. Oxygen causes the apple to turn brown
    B. Nothing reacts
    C. The substances in the cleaner causes the oils to be removed
    D. The separation is a suspension

6. A. Recipe
1. Cream shortening then add white sugar, brown sugar and egg. 
2. Dissolve baking soda in one tablespoons of HOT water and then add.
3. Add flour, salt, vanilla and mix well.
4. Add nuts and chocolate.
5. chips and mix again.
6. Drop teaspoonfuls on greased cookie sheet.
7. Bake at 350 degrees about 10 minutes.

    B. 1. Physical
        2. Chemical
        3. Physical
        4. Physical 
        5. Physical 
        6. Chemical
        7. Chemical

7. A. Metals
    B. Nonmetals
    C. Nonmetals
    D. Metals

8. A. Metals
    B. Metalloids
    C. Metals
    D. Nonmetal

9. Boron (B) and Silicon (Si)

10. A. It flattens
      B. It shatters
      C. It shatters
      D. It flattens

11. They do not conduct electricity and are easy to break (brittle).

12. They are malleable and react with copper(II) chloride solution.