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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 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 |
| 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 atomic number and properties |
| valence electron | the electron in the outer level of an atom that causes atoms to bond together |
| chemical bond | An iteration 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 ions bond |
| Covalent bond | The type of bond that forms when atoms save electrons instead of transferring them |
| Metallic bond | A special bond between metal ions and the electrons that swim around them |
| Malleability | metal can be pounded into sheets |
| Ductility | Metals can be stretched and down 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 bonding. |
| Compound | A set of elements that are chemically banded a changed into new substances NaCI=SALT |
| chemical Formula | A shorthand way to use chemical symbols and numbers to a represent a substance. |
| chemical equation | Uses symbols to show the relationship between the reactants and the products |
| subscript | 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 |
| Diatomic molecule | A molecule made of 2 atoms of the same element ex. 2 oxygen atoms |
| 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. |
| double displacement reaction | The 2 metals ions in 2 compounds switch places in a chemical reaction |
| indicator | will changes colors in the presence of an acid or a base. |
| single displacement reeaction | one element replaces another element in compound leaving a new compound and 1 element |
| synthesis Reaction | when two or more substances combine to create one new compond |
Created by:
kahree boss
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