Question | Answer |
Substance that speeds up a chemical reaction without it being used up | Mass |
Quantity of matter an object has | Atom |
Smallest part of an element that retains the properties of that element | Matter |
Anything that has mass and occupies space | Solid |
State of matter in which atoms are tightly packed | Gas |
State of matter in which atoms are loosely packed | Liquid |
State of matter in which the substance can be poured | Catalyst |
Equal to the number of protons and neutrons in an atom | Atomic Mass |
Equal to the number of protons in an atom | Atomic Number |
Simplest part of a substance that retains properties of that substance | Molecule |
Bond formed when pairs of electrons are shared | Covalent |
Bond formed when two oppositely charged ions are attracted | Ionic |
Pure substances that cannot be broken down further chemically | Element |
Negatively charged particles orbiting the nucleus of an atom | Electron |
Positively charged particles in the nucleus of an atom | Proton |
Particles with no charge in the nucleus of an atom | Neutron |
Substance dissolved in a solution | Solute |
Substance in which a solute is dissolved | Solvent |
Mixture in which one or more substances are dissolved in another substance | Solution |
How much solute is dissolved in a fixed amount of solution | Concentration |
Solution with a greater number of OH ions | Base |
Solution with a greater number of H ions | Acid |
Scale used to measure the acidity or alkalinity of a substance | PH |
Reaction that does not require energy to occur | Exergonic |
Reaction that requires energy to occur | Endergonic |
Molecule that is the universal solvent | Water |
Repeating units of carbon compounds | Monomer |
Complex molecules consisting of repeating units | Polymer |
Reaction in which a large molecule is broken down into smaller ones and water is used up | Hydrolysis |
Reaction in which large molecules are formed when water is lost | Condensation |
Simple sugar group | Monosaccharide |
Double sugar group | Disaccharide |
Proteins that act as catalysts in living things | Enzyme |
Substance that an enzyme reacts with | Substrate |
made up of amino acids | Proteins |
made up of 3 fatty acids and one glycerol | Lipids |
made of nucleotides | Nucleic Acids |
has the general formula CH20 | Carbohydrates |
starch | Carbohydrates |
meat | Proteins |
enzymes | Proteins |
steroids | Lipids |
DNA | Nucleic Acids |
RNA | Nucleic Acids |
Oil | Lipids |
Glucose | Carbohydrates |
Fat | Lipids |
Cellulose | Carbohydrates |
Wax | Lipids |
Table Sugar | Carbohydrates |
Glycogen | Carbohydrates |
Provides 9 Calories/gram energy | Lipids |
Provides 4 Calories/gram energy | Carbohydrates and Proteins |
Contain the carbon atom | All 4 Groups |
What are three factors that affect how enzymes work? | Concentration, PH and temperature |
what are the 6 most common elements found in living things? | carbon, hydrogen,oxygen, nitrogen, phosphorus, and calcium |
An acid has a PH ___ than 7, while a base has a PH ____ greater than 7 | less, greater |
Starch | Lugol |
Sugar | Benedict |
Protein | Biuret |
Lipid | Sudan Red |