Elements, Molecules, and Compounds (handout)
Activity 3: Mixtures
From: Strengthening Physical Science Skills for Middle and Upper GradesMark Twain Media, Inc. Publishers
1. A fruit salad of oranges, grapes, and bananas
2. A bowl of many kinds of seashells
3. Water (H2O)
4. Peanuts, almonds, and pecans in a bowl
5. Bird feed with many kinds of seeds
6. Rust (Fe2O3)
7. Salt (NaCl)
8. Sand and gravel on a driveway
9. Salt water
10. Acetic acid (C2H4O2)
CH3COOH, has a strong odor, it is used as a solvent and in the manufacture of rubber, plastics, acetate fibers, pharmaceuticals, and photographic chemicals. It is the chief acid of vinegar.
Examples-Which is the element, compound, or mixture?
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compound
element
mixture
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