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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. Is the identity of the element and atomic number.
Neutron A neutral subatomic particle in the atom's nucleus...has no charge and most of the mass.
Electron A negative subatomic particle spinning outside the atom's nucleus. Tiny!
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 interaction that holds two 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 of 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.
Electrical Conductivity Metal can conduct or carry electricity through wires.
Thermal Conductivity 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.
Compound A set of elements that are chemically bonded and changed into new substances. NaCl=salt
Molecule 2 or more atoms joined in a definite ratio.
Diatomic Molecule A molecule made of 2 atoms of the same element.
Chemical Formula A shorthand way to use chemical symbols and numbers to represent a substance
Subscript Smaller number to the right of the element that shows how many atoms there are in the element.
Coefficient The larger number to the left of the element 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 or molecule that starts a chemical equation.
Law of Conservation of Mass
Created by: Ginger_Powder