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Chemistry

TermDefinition
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 nucleus of an atom. 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 2 atoms together.
chemical formula A shorthand way to use chemical symbols and numbers to represent a substance (H2O)
Chemical Equation Uses symbols to show the relationship between the reactants and the products
subscript (H2O)- Small number to the right of the elements that shows how many atoms there are of the element
coefficiant The large number that multiple atoms of the element 2ci + 3Na
reactant A substance or molecule that starts as a chemical reaction
Product the substance or molecules 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
Chemical bonding The joining of atoms to form a new substance
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
Created by: sayersf
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