2SAS Questions #1-12 p.130

1. a. physical property

    b. chemical property

    c. chemical property

    d. physical property

2. a. physical property

    b. physical property

    c. chemical property

    d. chemical property

3. a. chemical property

    b. chemical property

    c. physical property

    d. physical property

4. a. physical property

    b. chemical property

    c. physical property

    d. chemical property

5. a. a physical change  due to the color change with it's reaction with oxygen.

    b. a chemical change because the batteries have lost their charge

    c. a physical change because the appearance is changing

    d. a chemical change because the dressing is separated

6. 

The heat breaks the sugar into glucose and fructose. The glucose and fructose form a polymer chain to create the brown hardening on the outside of the cookie. The butter gives the cookie a lighter texture by restricting the amount of gluten. The ingredients in the egg help to keep the cookies shape. 

7. a. metal

    b. metal

    c. nonmetal

    d. metal

8. a. metal

    b. metalloid

    c. nonmetal

    d. nonmetal

9. Arsenic - As

    Polonium - Pi

10. a. Iodine would shatter

      b. Zirconium would not change

      c. Phosphorous would shatter

      d. Nickel would not change

11. Nonmetals have have no electrical conductivity

12. Metals in coins are durable, can be melted down to produce copper, and the metals in coins are easily found.