Terms : Hide Images
| 6036612985 | Matter | is anything that occupies space and has mass | 0 | |
| 6036612986 | Mass | is the quantity of matter an object has | 1 | |
| 6036615293 | Elements | are substrates that cannot be broken down chemically | 2 | |
| 6036615294 | Atom | simplest particle of an element that retains all of the properties of that element | 3 | |
| 6036615295 | Nucleus | makes up the bulk of the mass of the atom and consists of two kinds of substrates | 4 | |
| 6036618854 | Proton | positively charged | 5 | |
| 6036618855 | Neutron | has no charge | 6 | |
| 6036621172 | Atomic Number | number of protons in an atom | 7 | |
| 6036621173 | Mass Number | total number of protons and neutrons of an atom | 8 | |
| 6036623065 | Electron | negatively charged particles | 9 | |
| 6036623066 | Isotope | atoms of the same element that have different number of neutrons | 10 | |
| 6036625213 | Compound | combo of two or more elements in fixed proportions | 11 | |
| 6036625214 | Chemical Bond | are the attractive forces that hold atoms together | 12 | |
| 6036627322 | Covalent Bond | when two atoms share one or more pairs of electrons | 13 | |
| 6036629647 | Molecule | simplest part of a substrate that retains all of the properties of that substrate and can exist in a free state | 14 | |
| 6036629648 | Ion | an atom or molecule with an electrical charge | 15 | |
| 6036632800 | Ionic Bond | positive and negative charges attract each other | 16 | |
| 6036710936 | Energy | the ability to do work | 17 | |
| 6036710937 | Chemical Reaction | one or more substrates change to produce one or more different substances | 18 | |
| 6036712980 | Reactant | shown to left | 19 | |
| 6036712981 | Product | shown to right | 20 | |
| 6036714869 | metabolism | term to describe all of the chemical reactions that occur in an organism | 21 | |
| 6036714870 | Activation Energy | amount of energy needed to start the reaction | 22 | |
| 6036718663 | Catalyst | chemical substance that reduces the amount of activation energy that is needed. | 23 | |
| 6036718664 | Enzyme | a protein or RNA molecule that speeds up reactions without change | 24 | |
| 6036758141 | Polar | a partial positive charge in one part of the molecule and complementary negative charge in another part. | 25 | |
| 6036760327 | Hydrogen Bond | the force of attraction between a hydrogen molecule with a partial positive charge and another atom or molecule with a partial or full negative charge | 26 | |
| 6036762042 | Cohesion | an attractive force that holds molecules of a single substrate together |  | 27 |
| 6036762043 | Adhesion | is the attractive force between two particle of different substances |  | 28 |
| 6036765067 | Solution | is a mixture in which one or more substances are uniformly distributed in anther substance | 29 | |
| 6036765068 | Solute | is a substance dissolved in solvent | 30 | |
| 6036765069 | Solvent | is the substance in which the solute is dissolved Example: Sugar | 31 | |
| 6036768826 | Concentration | amount of solute disolved in a fixed amount of the solution | 32 | |
| 6036768827 | Acid | 7 and below example: soft drinks | 33 | |
| 6036771261 | Base | 7 and above example: bleach | 34 | |
| 6036771262 | pH scale | <----------- |  | 35 |
