Terms : Hide Images
| 7322922634 | Atom | Basic unit of matter | 0 | |
| 7322924328 | Nucleus | The center of the atom that contains the protons and neutrons | 1 | |
| 7322929443 | Electron | Negative charge in shells around nucleus in constant motion | 2 | |
| 7322934873 | Element | Pure substances enterally of one atom | 3 | |
| 7322942519 | Isotope | Atoms of the same element that differ in the number of neutrons they contain; have some chemical properties | 4 | |
| 7322949841 | Compound | 2 or more elements in definite proportions | 5 | |
| 7322963198 | Ionic Bond | One or more electrons are transferred from one atom to another | 6 | |
| 7322970364 | Ion | Charged atom | 7 | |
| 7322974110 | Covalent Bond | one or more electrons are shared between atoms; forms molecules | 8 | |
| 7329565834 | Molecule | small particle | 9 | |
| 7329582853 | Valence Electrons | An electron of an atom | 10 | |
| 7329595064 | Hydrogen Bond | A chemical bond in which a hydrogen atom that has a covalent link | 11 | |
| 7329614231 | Cohesion | Water molecules are attracted to each other | 12 | |
| 7329621253 | Adhesion | Water molecules are attracted to other molecules | 13 | |
| 7329627257 | Solute | A substance dissolved in a given solution | 14 | |
| 7329648068 | Solvent | A substance that dissolves another form of a solution | 15 | |
| 7329656945 | pH Scale | A system of measurement to indicate concentration of H+ ions in solution | 16 | |
| 7329667004 | Acid | Forms H+ ions in solution | 17 | |
| 7329676605 | Base | Form OH ions in solution | 18 | |
| 7329683011 | Buffer | Weak acids or bases that can react with strong acids or bases and prevent sharp, sudden changes in pH | 19 | |
| 7329694665 | Monomer | Building blocks that bond together to form polymers | 20 | |
| 7329706124 | Polymer | A compound formed from 2 or more polymeric compounds | 21 | |
| 7329725079 | Monosaccharide | A carbohydrate that does not hydrolyze | 22 | |
| 7329750080 | Lipid | Not soluble in water. Fats, oils, and waxes. Stores energy, waterproof coverings, steroids, hormones. | 23 | |
| 7329765554 | Nucleic Acid | Store and transmit hereditary | 24 | |
| 7329779605 | Nucleotide | A group of molecules that when linked together they form building blocks of DNA & RNA | 25 | |
| 7329795165 | Protein | A three dimensional polymer made of monomers of amino acids. | 26 | |
| 7329816829 | Amino Acid | Any class of organic compounds that contains at least one amino acid. | 27 | |
| 7329833957 | Chemical Reaction | Process that changes one set of chemicals. | 28 | |
| 7329841803 | Reactant | Elements/compounds that enter a reaction. | 29 | |
| 7329847094 | Product | Elements/compounds produced by a reaction | 30 | |
| 7329863925 | Activation energy | Energy needed to get a reaction started | 31 | |
| 7329867606 | Catalyst | substance that speeds up the rate of a chemical reaction | 32 | |
| 7329873134 | Enzyme | A type of protein that speeds up a chemical reaction in a living thing | 33 | |
| 7329873135 | Substrate | reactant of an enzyme-catalyzed reaction | 34 |
