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Atom Smallest piece of matter that has the same properties of the element it's in.
Proton A positive subatomic particle in the atom's nucleus. Its 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
Eletron A negative subatomic particle spinning outside the nucleus of an atom. Tiny!
Element The simplest forms of matter hat 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 atom 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 on atom to another
Ion changed 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
Metallic 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
Electron dot diagram An easy way to show the valence electrons in an atom or chemical bonds
Compound A set of elements that are chemically bonded and changed into new substances NaCL=Salt
Electrical conductivity Metal can conduct or carry electricity through wires
Thermal Conductivity Metal can conduct or carry heat in order to cook food
Chemical formula a shorthand way to use chemical symbols and numbers to represent a asubstance
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 the atoms of the element
Reactant A substance or molecule that starts a chemical reaction
Product The substance that forms as a result as a chemical reaction
Law of Conservation of mass States that matter is neither created nor destroyed in a chemical reaction
Synthesis Reation when two or more substances combine to create one new compound
Decomposition reaction a reaction where a simple compound breaks down to form 2 simpler substances
Single displacement one element replaces another element in a compound leaving a new compound and one element
Double displacement reaction the two metal ions in 2 compounds with places in chemical reaction
indicator will change colors in the presence of an acid or base
Created by: 15wilsonvic



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