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