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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