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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 identify of the element and atomic number.
Neutron A neutral subatomic particle in the atom's nucleus...has no change and most of the mass.
Element The simplest form 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.
Valance Electrom The electron in the outer level of an atom that causes atoms to bond together
Chemicals Bond An interaction that holds 2 atoms together.
Chemical Bonding The joining of atom to form new substances.
Ionic Bond Is formed when electron are transformed from one atom to another atom.
Ionic Changed particle or atom that gained or lost electrons.
Crystal Lattice Repeating, 3 dimensional pattern that forms when Ions bonds.
Covalent Bond The type of bond that form when atoms shre electrons instead of transferring them.
Metallic Bond A special bond between mental Ions and the electrons that swim around them.
malleability Mental can be stretched and drawn into wires
Conductivity mental can conduct or carry electricity through wires. Mental 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 short and way to use chemical symbols and numbers to resent a substance.
Chemical Equation. Use symbols to show the relationship between reactants and the products.
Subscript Small number to the right of the element that shows how many atoms there are of the element.
Cofficient The large number that multiplies atoms of element.
Reactant A substance or molecule that starts a chemical reaction.
Product The substance that form as a result of a chemical reaction.
Law of Conservation of Mass State 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 from 2 simper subtances
Single - Displacement Reaction. One element replaces another element in compound leaving a new compound and 1 element.
Double Displacement Reaction. the 2 metal ions 2 compound switch places in a chemical reaction.
Indicator. will changes colors in the presence of an acid or a base.
Created by: ana g.



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