Terms : Hide Images
| 10116217660 | Period | The horizontal rows on the periodic table. Elements in the same row have the same number of electron shells/energy levels. |  | 0 |
| 10116217661 | Family/Group | The vertical columns on the periodic table. Elements in the same group/family have the same number of valence electrons. (Except Helium which is in Group 8, but only has 2 valence e-) |  | 1 |
| 10116217662 | Metals | Are good conductors of electric current and heat. -Malleable -Ductile -Metallic luster -Solid at room temperature |  | 2 |
| 10116217663 | Malleable | Capable of being shaped. Easy to shape or bend. |  | 3 |
| 10116217664 | Ductile | Describes a material that can be pulled out into a long wire. |  | 4 |
| 10116217665 | Alkali Metals | The elements in Group 1A of the periodic table (except Hydrogen). VIOLENTLY REACT with water, and produce alkaline (basic) substance. |  | 5 |
| 10116217666 | Alkali Earth Metals | The elements in Group 2A of the periodic table. Shiny, Silvery-white Very reactive |  | 6 |
| 10116217667 | Transition Metals | Group B elements Form a bridge between the elements of the left and right sides of the Periodic Table (middle of the table). -Non-reactive metals. -Less predictable than other elements. -Paramagnetic properties |  | 7 |
| 10116217668 | Paramagnetic property | Weak/temporarily induced magnetic field Need a magnet to become a magnetic |  | 8 |
| 10116217669 | Metalloids | Elements that have properties of both metals and nonmetals. |  | 9 |
| 10116217670 | Non-metals | -Brittle when solid -Dull -Poor conductors -Lower melting and boiling points than metals | | 10 |
| 10116217671 | Halogens | The elements in Group 7A of the periodic table. -Very reactive -Poisonous -Bleaches and disinfectants |  | 11 |
| 10116217672 | Noble Gases | The elements in group 8A of the periodic table. -Colorless -Odorless -Extremely NONREACTIVE |  | 12 |
| 10116217673 | Precipitate | Solid compound produced from 2 liquids during a chemical reaction. Sign of a chemical reaction. |  | 13 |
| 10116217674 | Bubbles | Gas given off during a chemical reaction; may or may not have an odor. Sign of a chemical reaction. | 14 | |
| 10116217675 | Other Signs of a Chemical Reaction | light, heat, color change, new substance exists | 15 | |
| 10116217676 | Law of Conservation of Mass | Mass cannot be created nor destroyed; Mass can only change forms. The total mass of products equals the total mass of the reactants. | 16 | |
| 10116217677 | Coefficient | Number in front of a compound's chemical formula telling you how many molecules of that compound are needed. |  | 17 |
| 10116217678 | Subscript | Number written after and BELOW an element in a chemical formula telling you how many of the preceding element are needed for that compound or molecule. |  | 18 |
| 10116217679 | Balanced Equation | Chemical equation where the total mass of the reactants equals the total mass of the products. Produced by changing the coefficients of the compounds. |  | 19 |
| 10116217680 | Chemical Reaction | Chemical change; when substances interact with each other. Original substances are used up. |  | 20 |
| 10116217681 | Chemical Equation | Written representation of a chemical reaction/chemical change; shows all the reactants and products. Always in the form of: Reactants arrow Products. |  | 21 |
| 10116217682 | Chemical Change | Chemical reaction; when substances interact with each other. Original substances are used up. |  | 22 |
| 10116217683 | Physical Change | When a substance changes its phase (changes to a solid, liquid , gas, or plasma) or is modified (size, shape, etc) but remains the same substance. |  | 23 |
| 10116217684 | Compound | Any amount of a chemical combination of 2 or more different atoms. |  | 24 |
| 10116217685 | Molecule | A chemical combination of 2 or more of the same atoms. |  | 25 |
| 10116217686 | Products | Substance(s) existing after a chemical reaction takes place. Found to the right of the arrow. | | 26 |
| 10116217687 | Reactants | Substances existing before a chemical reaction takes place. Found to the left of the arrow. | | 27 |
| 10116217688 | Chemical Formula | The symbols and quantities (shown by subscripts) of the atoms needed to make 1 molecule of a substance. | | 28 |
| 10116217689 | chemical reaction | the process by which one or more substances change to produce one or more different substances |  | 29 |
| 10116217690 | chemical equation | a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products |  | 30 |
| 10116217691 | reactants | things that react together (on the left side of the equation) |  | 31 |
| 10116217692 | products | things that are produced (on the right side of the equation) | | 32 |
| 10116217693 | yields | the arrow in the middle of the equation |  | 33 |
| 10116217694 | coefficient | a small whole number that appears as a factor in front of a formula in a chemical equation |  | 34 |
| 10116217695 | formula equation | a representation of the reactants and products of a chemical reaction by their symbols or formulas |  | 35 |
| 10116217696 | balanced | the amount of atoms on the left of the yield sign are the same as the amount of atoms on the right, Law of Conservation of Mass (mass can't be created or destroyed) |  | 36 |
