Terms : Hide Images
| 5106810990 | Proton | Positively charged subatomic particle located in the nucleus. Has a mass of 1 amu. |  | 0 |
| 5106810991 | Neutron | Neutral subatomic particle located in the nucleus. Has a mass of 1 amu. |  | 1 |
| 5106810992 | Matter | Anything that has mass and takes up space. Made of atoms and molecules. |  | 2 |
| 5106810993 | Element | Atoms with the same atomic number. |  | 3 |
| 5106810994 | Atom | The smallest unit of matter. | 4 | |
| 5106810995 | Electron | Negatively charged particle that orbits the nucleus. Has negligible mass. |  | 5 |
| 5106810996 | Nucleus | Center of an atom that contains the protons and neutrons. |  | 6 |
| 5106810997 | Mass Number | Mass of an isotope. It is the total number of protons and neutrons in a nucleus |  | 7 |
| 5106810998 | Atomic Mass | The average number of protons and neutrons of the relative abundances of an element's different isotopes. |  | 8 |
| 5106810999 | Isotope | Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons. |  | 9 |
| 5106811000 | Chemical Bond | Forces that hold two atoms together. |  | 10 |
| 5106811001 | Ionic Bond | The electrostatic force of attraction between two oppositely charged ions. Forms between a metal and nonmetal. Results from a transfer of valence electrons from the metal to the nonmetal. |  | 11 |
| 5106811002 | Covalent Bond | A chemical bond between nonmetals that involves the sharing of electron pairs between atoms |  | 12 |
| 5106811003 | Molecule | Two or more atoms covalently bonded together. |  | 13 |
| 5106811004 | Nonpolar Covalent Bond | Chemical bond where two atoms share a pair of electrons equally with each other. |  | 14 |
| 5106811005 | Polar Covalent Bond | Chemical bond where a pair of electrons is unequally shared between two atoms. |  | 15 |
| 5106811006 | Solvent | A substance that is able to dissolve other substances. Often water. |  | 16 |
| 5106811007 | Solute | The substance being dissolved. |  | 17 |
| 5106811008 | Acid | A substance with a pH of less than 7. Usually sour tasting. |  | 18 |
| 5106811009 | Base | A substance with a pH of more than 7. Often soapy tasting. | 19 | |
| 5106811010 | Chemical Reaction | The rearrangement of the molecular or ionic structure of a substance. | 20 | |
| 5106811011 | Reactant | A substance that takes part in and undergoes change during a reaction. | 21 | |
| 5106811012 | Product | The substances that result from this recombination of atoms. | 22 | |
| 5106811013 | Organic Compound | Molecules that contain carbon. | 23 | |
| 5106811014 | Macromolecules | A molecule containing a very large number of atoms, such as a carbohydrates, proteins, nucleic acid, and lipids. | 24 | |
| 5106811015 | Polymer | A substance that has a molecular structure consisting of large number of similar units bonded together. | 25 | |
| 5106811016 | Monomer | Single unit that can be bonded together into repeating subunits to form a polymer. | 26 | |
| 5106811017 | Dehydration Synthesis | To covalently join two monomers together. Water is released as a result. | 27 | |
| 5106811018 | Hydrolysis | To break polymer into shorter strands by using water. | 28 | |
| 5106811019 | carbohydrate | Provides short term energy and structure in plants | 29 | |
| 5106811020 | Complex carbohydrate | Polysaccharide of sugars. Starch and cellulose | 30 | |
| 5106811021 | Carb General Formula | 1C: 2H: 1O | 31 | |
| 5106811022 | Monosaccharide | Single sugar, simple sugar. Glucose | 32 | |
| 5106811023 | Disaccharide | 2 sugars, simple sugar. Sucrose | 33 | |
| 5106811024 | Polysaccharide | Many sugars. Cellulose, Glycogen, Chitin | 34 | |
| 5106811025 | Amino Acid | Monomer of a protein | 35 | |
| 5106811026 | Polypeptide | Polymer of protein | 36 | |
| 5106811027 | Protein | Functional unit made of more than one polypeptide chain. | 37 | |
| 5106811028 | Primary Structure of Protein | The sequence of amino acids | 38 | |
| 5106811029 | Secondary Structure of a Protein | Helix and pleated sheets in segments of polypeptide | 39 | |
| 5106811030 | Tertiary Structure of Protein | The folded polypeptide | 40 | |
| 5106811031 | Quaternary Structure of a protein | Folded protein made of more than one polypeptide chain | 41 | |
| 5106811032 | Function of Protein | Build and repair tissue, structures, enzymes, membrane transport, immunity | 42 | |
| 5106811033 | Catalyst | Speeds up a chemical reaction | 43 | |
| 5106811034 | Lipid | Hydrophobic hydrocarbons that include: fats, steroids and waxes. Long term energy storage, insulation, membranes, waterproofing, and cushioning organs. | 44 | |
| 5106811035 | Triglyceride | A fat that contains a glycerol attached to 3 fatty acid chains | 45 | |
| 5106811036 | Saturated fats | Fats that contain no carbon-carbon double bonds. Solid at room temperature. Considered unhealthy | 46 | |
| 5106811037 | Unsaturated fats | Fats that contain 1 or more double bonds. Liquid at room temp (oils). Considered healthy. | 47 | |
| 5106811038 | Trans fats | Partially hydrogenated fats. Unsaturated fat that had been chemically changed to behave more like a saturated fat. Made in a laboratory | 48 | |
| 5106811039 | Hydrophobic | Water fearing | 49 | |
| 5106811040 | Hydrophilic | Water loving | 50 | |
| 5106811041 | Wax | A hydrophobic member of the lipid family and involved with waterproofing | 51 | |
| 5106811042 | Steroid | A hydrophobic lipid that consists of hormones and cholesterol | 52 | |
| 5106811043 | Phospholipid | The lipid with a hydrophilic head and 2 hydrophobic fatty acid tails. Makes up the cell membrane | 53 | |
| 5106811044 | Enzyme | a protein that catalyzes chemical reactions by lowering the activation energy | 54 | |
| 5106811045 | Active site | A place on an enzyme that the substrate binds to | 55 | |
| 5106811046 | Activation Energy | The energy needed for a chemical reaction to progress from substrate (reactants) to products | 56 | |
| 5106811047 | Factors that lower Enzyme Reaction rate | pH, temperature and substrate concentration change | 57 | |
| 5106811048 | Substrate | Molecule binds to an enzyme to either be broken down or polymerized. | 58 |
