Quizlet SVMSscience - Chem Unit 3

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  1. Acid pH: Lower than 7
  2. Acid Taste and Litmus Color: Sour taste, red
  3. Acids produce which ions?: H+ ions
  4. Base pH: Higher than 7
  5. Base Taste and Litmus Color: Bitter taste, blue
  6. Bases produce which ions?: OH- ions
  7. Conservation of Matter: Matter cannot be created nor destroyed during a chemical reaction
  8. Endothermic Reaction: Chemical Reaction where heat is absorbed
  9. Exothermic Reaction: Chemical reaction where heat is released
  10. Name 4 large molecules of living organisms: Carbohydrates, fats, proteins, and DNA
  11. Name 4 small molecules of living organisms: Water, salt, carbon dioxide, and oxygen
  12. Neutral pH: 7
  13. Properties of Acids: pH<7, sour taste, litmus paper turns red, reacts with metals
  14. Properties of Bases: pH>7, bitter taste, litmus paper turns blue, slippery, does not react with metals
  15. What are the 6 elements that play a central role in the chemistry of living things?: Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur
  16. What is the definition of a polymer?: A large number of monomers chemically bonded in a repeating pattern
  17. Why is carbon in all living things?: Its ability to combine in many ways with itself and other elements