University:
Hunter College CUNY
Course:
CHEM 106 | General Chemistry Laboratory
Academic year:

2019
Views:

472

Pages:

1
Author:

Trevon Bernard

Chemistry Scavenger Hunt Answer Key 1. An element: Aluminum foil, copper wire, iron pan, sulfur, carbon in the form of graphite (pencil lead), amorphous carbon (soot), or diamond 2. A compound: Sugar (sucrose), salt (sodium chloride), baking soda (sodium bicarbonate) 3. A solid: A rock, a ball, a paper clip, a coin 4. A liquid: Water, juice, vegetable oil, vinegar, coffee, soda 5. A gas: A balloon filled with air or helium, a baggie of air 6. A metal: A can (aluminum), aluminum foil, a coin (zinc and copper), silverware (stainless steel), wire (copper), ring (gold, silver, copper) 7. A nonmetal: Graphite from a pencil (carbon), plastic, sulfur, helium in a balloon, vegetable oil 8. A heterogeneous mixture: Bag of mixed candies, chocolate chip cookie, soda with ice, sandwich, rock collection 9. A homogeneous mixture: Air, non-carbonated soft drink, coffee, steel, sugar in water 10. An acid: Vinegar (dilute acetic acid), solid citric acid, lemon juice 11. A base: Baking soda, soap, dishwashing liquid, laundry detergent 12. Result of a physical change: Melted ice, shredded paper, frozen ice cream, crushed candies 13. Result of a chemical change: Baked cookies or cake, ashes, candies popping or fizzy when exposed to moisture 14. A substance with a density greater than 1 g/ml: Anything that sinks in water, such as a metal coin, a glass marble, or a rock 15. A substance with a density less than 1 g/ml: Oil, ice, wood 16. A mixture that can be separated by filtration: Fruit cocktail in syrup, coffee grounds and water, sand and water 17. A mole (not the animal): 18 g of water, 58.5 g of salt, 55.8 g of iron 18. A polymer: Any plastic, hair, fur, polyester or nylon fabric 19. An ionic compound: Salt (sodium chloride), baking soda (sodium bicarbonate), washing soda (sodium carbonate) 20. A covalent compound: Water, vegetable oil, starch