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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 atom's nucleus. Has no charge and most of the mass. |
| Neutron | A neutral subatomic particle in the atom's nucleus. Is the identify of the element and atomic number. |
| Electron | A negative subatomic particle spinning outside the nucleus of the atom. |
| Element | The simplest forms of matter that contain only one type of atom. |
| Periodic Table of Elements | A chart that organizes all the elements by the 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 atom |
| Ion | Charged particle or atom that gained or lost electrons |
| Crystal 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 them |
| Metalic Bond | A special bond between metal ions and the electrons that swim around them |
| Malleability | Metals can be pounded into thin sheets |
| Ductility | Metals can be stretched and drawn into wires |
| Conductivity | Electrical-Metal can conduct or carry electricity through wires Thermal-Metal can conduct or carry heat in order to cook food |
| 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 & changed into new substances. NaCl = salt |
| Chemical Formula | A shorthand way to use chemical symbols and numbers to represent a substance |
| Subscript | (H20)- small number to the right of the element that shows how many atoms there are of the element |
| Coefficient | The large number that multiplies atoms of the element |
| Chemical Equation | Uses symbols to show the relationship between the reactants and the products |
| Reactant | A substance or molecule that starts a chemical reaction |
| Product | The substance that forms as a result of a chemical reaction |
| LOCOM | 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 |
| Simple Displacement Reaction | One element replaces another element in compound leaving a new compound and 1 element |
| Double Displacement Reaction | The 2 metal ions in 2 compounds switch places in chemical reactions |
| Indicator | Will changes colors in the presence of an acid or a base |
Created by:
Rican0403
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