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Chemistry
| Term | Definition |
|---|---|
| Atom | Smallest piece of matter that has the same properties of the element it is in. |
| Proton | A positive + subatomic particle in the atoms nucleus. Is the identity of the element and the atomic number. |
| Neutron | A neutral subatomic particle in the atoms nucleus... has no charge and most of the mass |
| Electron | A negative subatomic particle spinning outside the nucleus of an atom. Tiny ! |
| Element | The simplest forms of matter that contains only one type of atom. |
| Periodic Table of Elements | A chart that organizes all the elements by atomic number and properties. |
| Valence Electron | The electron in the outer level of an atom that causes atoms to bond together. |
| Chemical Bond | An interaction that holds 2 atoms together. |
| Chemical Bonding | The joining of atoms to form new substances |
| Ionic Bond | Is formed when electrons are transferred from one atom to another |
| Ion | Charged particle or atoms that gained or lost electrons |
| Chrystal Lattice | Repeating 3 dimensional pattern that forms when Ions bond. |
| Covalent Bond | The type of bond that forms when atoms share electrons instead of transferring. |
| Metallic Bond | A special bond between metal ions and the electrons that swim around them |
| Ductility | Metals can be stretched and drown into wires. |
| Mallebility | Metals can be pounded into thin sheets. |
| Electron Dot Diagram | An easy way to show the valence electrons in an atom or chemical bond. |
| Compound | A set of elements that are chemically bonded and changed into new substances NaCl=salt |
| Conductivity | Metals can conduct electricity and heat. |
| Chemical Formula | A shorthand way to use chemical symbols and numbers to represent a substance. (H2O) |
| Chemical Equation | Uses symbols to show the relationship between the reactants and the products C+O2 -> CO2 |
| Subscript | (H2O)- small number to the right of the elements that shows how many atoms there are of the element. |
| Coefficient | The large number that multiplies atoms of the element. 2Cl + 3Na |
| Reactant | A substance or molecule that starts a chemical reaction. |
| Product | The substance that forms as a result of a chemical reaction. |
| Law of Conservation of Mass | States that matter is neither created nor destroyed in a chemical reaction |
| Synthesis Reaction | When two or more substances combine to create one new compound |
| Decomposition Reaction | A reaction where a single compound breaks down to form 2 simpler substances |
| Single Displacement Reaction | The 2 metal ions in 2 compounds switch places in a chemical reaction |
| Indicator | Will change colors in the presence of an acid or a base |
Created by:
caylawyatt
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